code:
diff -up firefox-46.0.1/widget/gtk/gtk3drawing.c.gtk3-20 firefox-46.0.1/widget/gtk/gtk3drawing.c
--- firefox-46.0.1/widget/gtk/gtk3drawing.c.gtk3-20	2016-05-03 07:31:12.000000000 +0200
+++ firefox-46.0.1/widget/gtk/gtk3drawing.c	2016-05-20 15:05:08.750151522 +0200
@@ -17,34 +17,86 @@

 #include <math.h>

+#define MOZ_WIDGET_STYLES 4
+
+typedef struct {
+    GtkWidget*            widget;
+
+    union {
+        struct {
+            GtkStyleContext*  style;
+            GtkStyleContext*  styleSelection;
+        } entry;
+
+        struct {
+            GtkStyleContext*  style;
+        } button;
+
+        struct {
+            GtkStyleContext*  style;
+            GtkStyleContext*  styleBackground;
+        } tooltip;
+
+        struct {
+            GtkStyleContext*  style;
+            GtkStyleContext*  styleContents;
+            GtkStyleContext*  styleTrough;
+            GtkStyleContext*  styleSlider;
+        } scroll;
+
+        struct {
+            GtkStyleContext*  style;
+            GtkStyleContext*  styleCheck;
+            GtkStyleContext*  styleLabel;
+        } check;
+
+        struct {
+            GtkStyleContext*  style;
+            GtkStyleContext*  styleTrough;
+            GtkStyleContext*  styleProgress;
+        } progress;
+
+        struct {
+            GtkStyleContext*  style;
+            GtkStyleContext*  styleEntry;
+            GtkStyleContext*  styleButtonUp;
+            GtkStyleContext*  styleButtonDown;
+        } spin;
+
+        struct {
+            GtkStyleContext*  style[MOZ_WIDGET_STYLES];
+        } all;
+    };
+} MozGtkWidget;
+
 static GtkWidget* gProtoWindow;
 static GtkWidget* gProtoLayout;
-static GtkWidget* gButtonWidget;
+static MozGtkWidget gButton;
 static GtkWidget* gToggleButtonWidget;
 static GtkWidget* gButtonArrowWidget;
-static GtkWidget* gCheckboxWidget;
-static GtkWidget* gRadiobuttonWidget;
-static GtkWidget* gHorizScrollbarWidget;
-static GtkWidget* gVertScrollbarWidget;
-static GtkWidget* gSpinWidget;
+static MozGtkWidget gCheckbox;
+static MozGtkWidget gRadiobutton;
+static MozGtkWidget gVertScrollbar;
+static MozGtkWidget gHorizScrollbar;
+static MozGtkWidget gSpin;
 static GtkWidget* gHScaleWidget;
 static GtkWidget* gVScaleWidget;
-static GtkWidget* gEntryWidget;
+static MozGtkWidget gEntry;
 static GtkWidget* gComboBoxWidget;
 static GtkWidget* gComboBoxButtonWidget;
 static GtkWidget* gComboBoxArrowWidget;
 static GtkWidget* gComboBoxSeparatorWidget;
 static GtkWidget* gComboBoxEntryWidget;
-static GtkWidget* gComboBoxEntryTextareaWidget;
+static MozGtkWidget gComboBoxEntryTextarea;
 static GtkWidget* gComboBoxEntryButtonWidget;
 static GtkWidget* gComboBoxEntryArrowWidget;
 static GtkWidget* gHandleBoxWidget;
 static GtkWidget* gToolbarWidget;
 static GtkWidget* gFrameWidget;
 static GtkWidget* gStatusbarWidget;
-static GtkWidget* gProgressWidget;
+static MozGtkWidget gProgressBar;
 static GtkWidget* gTabWidget;
-static GtkWidget* gTooltipWidget;
+static MozGtkWidget gTooltip;
 static GtkWidget* gMenuBarWidget;
 static GtkWidget* gMenuBarItemWidget;
 static GtkWidget* gMenuPopupWidget;
@@ -78,6 +130,37 @@ static gboolean is_initialized;
 #define GTK_STATE_FLAG_CHECKED (1 << 11)
 #endif

+void moz_gtk_widget_free(MozGtkWidget *aMozWidget)
+{
+    // This was removed as a child of gProtoWindow
+    if (aMozWidget->widget) {
+        aMozWidget->widget = NULL;
+    }
+
+    for(int i = 0; i < MOZ_WIDGET_STYLES; i++) {
+        if (aMozWidget->all.style[i]) {
+            g_object_unref(aMozWidget->all.style[i]);
+            aMozWidget->all.style[i] = NULL;
+        }
+    }
+}
+
+// TODO - weak dep!! (dlsym)
+#if GTK_CHECK_VERSION(3, 19, 2)
+#define moz_gtk_path_set_class_name    gtk_widget_path_iter_set_object_name
+#else
+#define moz_gtk_path_set_class_name    gtk_widget_path_iter_add_class
+#endif
+//gtk_widget_path_iter_get_state
+
+static void
+moz_gtk_get_style_border(GtkStyleContext* style, GtkStateFlags state_flags,
+                         GtkBorder *border);
+
+static void
+moz_gtk_get_style_padding(GtkStyleContext* style, GtkStateFlags state_flags,
+                          GtkBorder *padding);
+
 static GtkStateFlags
 GetStateFlagsFromGtkWidgetState(GtkWidgetState* state)
 {
@@ -97,6 +180,41 @@ GetStateFlagsFromGtkWidgetState(GtkWidge
     return stateFlags;
 }

+GtkStyleContext *
+moz_gtk_style_create(GtkCssNode *node, GtkStyleContext *parent)
+{
+  GtkWidgetPath *path;
+  GtkStyleContext *context;
+
+  if (parent)
+    path = gtk_widget_path_copy (gtk_style_context_get_path (parent));
+  else
+    path = gtk_widget_path_new ();
+
+  gtk_widget_path_append_type (path, node->type);
+  if (node->name)
+    moz_gtk_path_set_class_name(path, -1, node->name);
+  if (node->class1)
+    gtk_widget_path_iter_add_class(path, -1, node->class1);
+  if (node->class2)
+    gtk_widget_path_iter_add_class(path, -1, node->class2);
+
+  context = gtk_style_context_new ();
+  gtk_style_context_set_path (context, path);
+  gtk_style_context_set_parent (context, parent);
+
+  if(!gtk_check_version(3, 14, 0)) {
+      /* Unfortunately, we have to explicitly set the state again here
+       * for it to take effect
+       */
+      gtk_style_context_set_state (context, gtk_widget_path_iter_get_state (path, -1));
+  }
+
+  gtk_widget_path_unref (path);
+
+  return context;
+}
+
 /* Because we have such an unconventional way of drawing widgets, signal to the GTK theme engine
    that they are drawing for Mozilla instead of a conventional GTK app so they can do any specific
    things they may want to do. */
@@ -141,9 +259,16 @@ setup_widget_prototype(GtkWidget* widget
 static gint
 ensure_button_widget()
 {
-    if (!gButtonWidget) {
-        gButtonWidget = gtk_button_new_with_label("M");
-        setup_widget_prototype(gButtonWidget);
+    if (!gButton.widget) {
+        GtkCssNode path[] = {
+            { GTK_TYPE_BUTTON, "button", NULL, NULL }
+        };
+
+        gButton.widget = gtk_button_new_with_label("M");
+        setup_widget_prototype(gButton.widget);
+        gtk_widget_show(gButton.widget);
+
+        gButton.button.style = moz_gtk_style_create(&path[0], NULL);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -195,9 +320,21 @@ ensure_button_arrow_widget()
 static gint
 ensure_checkbox_widget()
 {
-    if (!gCheckboxWidget) {
-        gCheckboxWidget = gtk_check_button_new_with_label("M");
-        setup_widget_prototype(gCheckboxWidget);
+   if (!gCheckbox.widget) {
+        GtkCssNode path[] = {
+           { GTK_TYPE_TOGGLE_BUTTON, "checkbutton", NULL, NULL },
+           { G_TYPE_NONE, "check", NULL, NULL },
+           { G_TYPE_NONE, "label", NULL, NULL }
+        };
+
+        gCheckbox.widget = gtk_check_button_new_with_label("M");
+        setup_widget_prototype(gCheckbox.widget);
+
+        gCheckbox.check.style = moz_gtk_style_create(&path[0], NULL);
+        gCheckbox.check.styleCheck = moz_gtk_style_create(&path[1],
+                                       gCheckbox.check.style);
+        gCheckbox.check.styleLabel = moz_gtk_style_create(&path[2],
+                                       gCheckbox.check.style);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -205,9 +342,21 @@ ensure_checkbox_widget()
 static gint
 ensure_radiobutton_widget()
 {
-    if (!gRadiobuttonWidget) {
-        gRadiobuttonWidget = gtk_radio_button_new_with_label(NULL, "M");
-        setup_widget_prototype(gRadiobuttonWidget);
+    if (!gRadiobutton.widget) {
+        GtkCssNode path[] = {
+           { GTK_TYPE_TOGGLE_BUTTON, "radiobutton", NULL, NULL },
+           { G_TYPE_NONE, "radio", NULL, NULL },
+           { G_TYPE_NONE, "label", NULL, NULL }
+        };
+
+        gRadiobutton.widget = gtk_radio_button_new_with_label(NULL, "M");
+        setup_widget_prototype(gRadiobutton.widget);
+
+        gRadiobutton.check.style = moz_gtk_style_create(&path[0], NULL);
+        gRadiobutton.check.styleCheck = moz_gtk_style_create(&path[1],
+                                          gRadiobutton.check.style);
+        gRadiobutton.check.styleLabel = moz_gtk_style_create(&path[2],
+                                          gRadiobutton.check.style);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -215,25 +364,62 @@ ensure_radiobutton_widget()
 static gint
 ensure_scrollbar_widget()
 {
-    if (!gVertScrollbarWidget) {
-        gVertScrollbarWidget = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, NULL);
-        setup_widget_prototype(gVertScrollbarWidget);
-    }
-    if (!gHorizScrollbarWidget) {
-        gHorizScrollbarWidget = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, NULL);
-        setup_widget_prototype(gHorizScrollbarWidget);
-    }
+    if (!gVertScrollbar.widget && !gHorizScrollbar.widget) {
+        GtkCssNode path[] = {
+            { GTK_TYPE_SCROLLBAR, "scrollbar", "horizontal", "bottom"},
+            { GTK_TYPE_SCROLLBAR, "scrollbar", "vertical", "right" },
+            { G_TYPE_NONE, "contents", NULL, NULL },
+            { G_TYPE_NONE, "trough", NULL, NULL },
+            { G_TYPE_NONE, "slider", NULL, NULL }
+        };
+
+        gHorizScrollbar.widget = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, NULL);
+        setup_widget_prototype(gHorizScrollbar.widget);
+
+        gHorizScrollbar.scroll.style = moz_gtk_style_create(path, NULL);
+        gHorizScrollbar.scroll.styleContents = moz_gtk_style_create(path+2,
+                                               gHorizScrollbar.scroll.style);
+        gHorizScrollbar.scroll.styleTrough = moz_gtk_style_create(path+3,
+                                               gHorizScrollbar.scroll.styleContents);
+        gHorizScrollbar.scroll.styleSlider = moz_gtk_style_create(path+4,
+                                               gHorizScrollbar.scroll.styleTrough);
+
+        gVertScrollbar.widget = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, NULL);
+        setup_widget_prototype(gVertScrollbar.widget);
+
+        gVertScrollbar.scroll.style = moz_gtk_style_create(path+1, NULL);
+        gVertScrollbar.scroll.styleContents = moz_gtk_style_create(path+2,
+                                              gVertScrollbar.scroll.style);
+        gVertScrollbar.scroll.styleTrough = moz_gtk_style_create(path+3,
+                                              gVertScrollbar.scroll.styleContents);
+        gVertScrollbar.scroll.styleSlider = moz_gtk_style_create(path+4,
+                                              gVertScrollbar.scroll.styleTrough);
+
+     }
     return MOZ_GTK_SUCCESS;
 }

 static gint
 ensure_spin_widget()
 {
-  if (!gSpinWidget) {
-    gSpinWidget = gtk_spin_button_new(NULL, 1, 0);
-    setup_widget_prototype(gSpinWidget);
-  }
-  return MOZ_GTK_SUCCESS;
+    if (!gSpin.widget) {
+        GtkCssNode path[] = {
+            { GTK_TYPE_SPIN_BUTTON, "spinbutton", "horizontal", NULL },
+            { GTK_TYPE_SPIN_BUTTON, "spinbutton", "vertical", NULL },
+            { GTK_TYPE_ENTRY, "entry", NULL, NULL },
+            { G_TYPE_NONE, "button", "up", NULL },
+            { G_TYPE_NONE, "button", "down", NULL }
+        };
+
+        gSpin.widget = gtk_spin_button_new(NULL, 1, 0);
+        setup_widget_prototype(gSpin.widget);
+
+        gSpin.spin.style = moz_gtk_style_create(path, NULL);
+        gSpin.spin.styleButtonUp = moz_gtk_style_create(path+3, gSpin.spin.style);
+        gSpin.spin.styleButtonDown = moz_gtk_style_create(path+4, gSpin.spin.style);
+        gSpin.spin.styleEntry = moz_gtk_style_create(path+2, gSpin.spin.style);
+    }
+    return MOZ_GTK_SUCCESS;
 }

 static gint
@@ -253,9 +439,19 @@ ensure_scale_widget()
 static gint
 ensure_entry_widget()
 {
-    if (!gEntryWidget) {
-        gEntryWidget = gtk_entry_new();
-        setup_widget_prototype(gEntryWidget);
+    if (!gEntry.widget) {
+        GtkCssNode path[] = {
+            { GTK_TYPE_ENTRY, "entry", NULL, NULL },
+            { G_TYPE_NONE, "selection", NULL, NULL }
+        };
+
+        gEntry.widget = gtk_entry_new();
+        setup_widget_prototype(gEntry.widget);
+        gtk_widget_show(gEntry.widget);
+
+        gEntry.entry.style = moz_gtk_style_create(&path[0], NULL);
+        gEntry.entry.styleSelection = moz_gtk_style_create(&path[1],
+                                                           gEntry.entry.style);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -387,9 +583,9 @@ moz_gtk_get_combo_box_entry_inner_widget
         g_object_add_weak_pointer(G_OBJECT(widget),
                                   (gpointer) &gComboBoxEntryButtonWidget);
     } else if (GTK_IS_ENTRY(widget)) {
-        gComboBoxEntryTextareaWidget = widget;
+        gComboBoxEntryTextarea.widget = widget;
         g_object_add_weak_pointer(G_OBJECT(widget),
-                                  (gpointer) &gComboBoxEntryTextareaWidget);
+                                  (gpointer) &gComboBoxEntryTextarea.widget);
     } else
         return;
     gtk_widget_realize(widget);
@@ -411,7 +607,7 @@ ensure_combo_box_entry_widgets()
 {
     GtkWidget* buttonChild;

-    if (gComboBoxEntryTextareaWidget &&
+    if (gComboBoxEntryTextarea.widget &&
             gComboBoxEntryButtonWidget &&
             gComboBoxEntryArrowWidget)
         return MOZ_GTK_SUCCESS;
@@ -427,9 +623,9 @@ ensure_combo_box_entry_widgets()
                          moz_gtk_get_combo_box_entry_inner_widgets,
                          NULL);

-    if (!gComboBoxEntryTextareaWidget) {
+    if (!gComboBoxEntryTextarea.widget) {
         ensure_entry_widget();
-        gComboBoxEntryTextareaWidget = gEntryWidget;
+        gComboBoxEntryTextarea.widget = gEntry.widget;
     }

     if (gComboBoxEntryButtonWidget) {
@@ -507,12 +703,18 @@ ensure_toolbar_separator_widget()
 static gint
 ensure_tooltip_widget()
 {
-    if (!gTooltipWidget) {
-        gTooltipWidget = gtk_window_new(GTK_WINDOW_POPUP);
-        GtkStyleContext* style = gtk_widget_get_style_context(gTooltipWidget);
-        gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLTIP);
-        gtk_widget_realize(gTooltipWidget);
-        moz_gtk_set_widget_name(gTooltipWidget);
+    if (!gTooltip.widget) {
+        GtkCssNode path[] = {
+            { GTK_TYPE_TOOLTIP, "tooltip", NULL, NULL},
+            { GTK_TYPE_TOOLTIP, "tooltip", "background", NULL},
+        };
+
+        gTooltip.widget = gtk_window_new(GTK_WINDOW_POPUP);
+        gtk_widget_realize(gTooltip.widget);
+        moz_gtk_set_widget_name(gTooltip.widget);
+
+        gTooltip.tooltip.style = moz_gtk_style_create(&path[0], NULL);
+        gTooltip.tooltip.styleBackground = moz_gtk_style_create(&path[1], NULL);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -530,9 +732,21 @@ ensure_tab_widget()
 static gint
 ensure_progress_widget()
 {
-    if (!gProgressWidget) {
-        gProgressWidget = gtk_progress_bar_new();
-        setup_widget_prototype(gProgressWidget);
+    if (!gProgressBar.widget) {
+        GtkCssNode path[] = {
+           { GTK_TYPE_LABEL, "progressbar", NULL, NULL },
+           { G_TYPE_NONE, "trough", NULL, NULL },
+           { G_TYPE_NONE, "progress", NULL, NULL },
+        };
+
+        gProgressBar.widget = gtk_progress_bar_new();
+        setup_widget_prototype(gProgressBar.widget);
+
+        gProgressBar.progress.style = moz_gtk_style_create(&path[0], NULL);
+        gProgressBar.progress.styleTrough = moz_gtk_style_create(&path[1],
+                                              gProgressBar.progress.style);
+        gProgressBar.progress.styleProgress = moz_gtk_style_create(&path[2],
+                                                gProgressBar.progress.styleTrough);
     }
     return MOZ_GTK_SUCCESS;
 }
@@ -638,6 +852,11 @@ static gint
 ensure_check_menu_item_widget()
 {
     if (!gCheckMenuItemWidget) {
+        GtkCssNode path[] = {
+           { GTK_TYPE_CHECK_MENU_ITEM, "menuitem", NULL, NULL },
+           { G_TYPE_NONE, "check", NULL, NULL }
+        };
+
         ensure_menu_popup_widget();
         gCheckMenuItemWidget = gtk_check_menu_item_new_with_label("M");
         gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
@@ -752,7 +971,7 @@ moz_gtk_checkbox_get_metrics(gint* indic
 {
     ensure_checkbox_widget();

-    gtk_widget_style_get (gCheckboxWidget,
+    gtk_widget_style_get (gCheckbox.widget,
                           "indicator_size", indicator_size,
                           "indicator_spacing", indicator_spacing,
                           NULL);
@@ -765,7 +984,7 @@ moz_gtk_radio_get_metrics(gint* indicato
 {
     ensure_radiobutton_widget();

-    gtk_widget_style_get (gRadiobuttonWidget,
+    gtk_widget_style_get (gRadiobutton.widget,
                           "indicator_size", indicator_size,
                           "indicator_spacing", indicator_spacing,
                           NULL);
@@ -778,13 +997,13 @@ moz_gtk_get_focus_outline_size(gint* foc
 {
     GtkBorder border;
     GtkBorder padding;
-    GtkStyleContext *style;
+    GtkStyleContext* style;

     ensure_entry_widget();
-    style = gtk_widget_get_style_context(gEntryWidget);

-    gtk_style_context_get_border(style, 0, &border);
-    gtk_style_context_get_padding(style, 0, &padding);
+    style = gEntry.entry.style;
+    gtk_style_context_get_border(style, gtk_style_context_get_state(style), &border);
+    gtk_style_context_get_padding(style, gtk_style_context_get_state(style), &padding);
     *focus_h_width = border.left + padding.left;
     *focus_v_width = border.top + padding.top;
     return MOZ_GTK_SUCCESS;
@@ -821,7 +1040,7 @@ moz_gtk_button_get_default_overflow(gint
     GtkBorder* default_outside_border;

     ensure_button_widget();
-    gtk_widget_style_get(gButtonWidget,
+    gtk_widget_style_get(gButton.widget,
                          "default-outside-border", &default_outside_border,
                          NULL);

@@ -844,7 +1063,7 @@ moz_gtk_button_get_default_border(gint*
     GtkBorder* default_border;

     ensure_button_widget();
-    gtk_widget_style_get(gButtonWidget,
+    gtk_widget_style_get(gButton.widget,
                          "default-border", &default_border,
                          NULL);

@@ -935,7 +1154,7 @@ moz_gtk_button_paint(cairo_t *cr, GdkRec

     if (state->focused) {
         GtkBorder border;
-        gtk_style_context_get_border(style, state_flags, &border);
+        moz_gtk_get_style_border(style, state_flags, &border);
         x += border.left;
         y += border.top;
         width -= (border.left + border.right);
@@ -956,15 +1175,14 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
     gint indicator_size, indicator_spacing;
     gint x, y, width, height;
     gint focus_x, focus_y, focus_width, focus_height;
-    GtkWidget *w;
-    GtkStyleContext *style;
+    MozGtkWidget *w;

     if (isradio) {
         moz_gtk_radio_get_metrics(&indicator_size, &indicator_spacing);
-        w = gRadiobuttonWidget;
+        w = &gRadiobutton;
     } else {
         moz_gtk_checkbox_get_metrics(&indicator_size, &indicator_spacing);
-        w = gCheckboxWidget;
+        w = &gCheckbox;
     }

     // XXX we should assert rect->height >= indicator_size too
@@ -983,11 +1201,9 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
     focus_width = width + 2 * indicator_spacing;
     focus_height = height + 2 * indicator_spacing;

-    style = gtk_widget_get_style_context(w);
-
-    gtk_widget_set_sensitive(w, !state->disabled);
-    gtk_widget_set_direction(w, direction);
-    gtk_style_context_save(style);
+    gtk_widget_set_sensitive(w->widget, !state->disabled);
+    gtk_widget_set_direction(w->widget, direction);
+    gtk_style_context_save(w->check.styleCheck);

     if (selected)
         state_flags |= checkbox_check_state;
@@ -995,13 +1211,15 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
     if (inconsistent)
         state_flags |= GTK_STATE_FLAG_INCONSISTENT;

-    gtk_style_context_set_state(style, state_flags);
+    gtk_style_context_set_state(w->check.styleCheck, state_flags);
+
+    gtk_render_background(w->check.styleCheck, cr, x, y, width, height);
+    gtk_render_frame(w->check.styleCheck, cr, x, y, width, height);

     if (isradio) {
-        gtk_style_context_add_class(style, GTK_STYLE_CLASS_RADIO);
-        gtk_render_option(style, cr, x, y, width, height);
+        gtk_render_option(w->check.styleCheck, cr, x, y, width, height);
         if (state->focused) {
-            gtk_render_focus(style, cr, focus_x, focus_y,
+            gtk_render_focus(w->check.styleCheck, cr, focus_x, focus_y,
                             focus_width, focus_height);
         }
     }
@@ -1010,15 +1228,14 @@ moz_gtk_toggle_paint(cairo_t *cr, GdkRec
         * 'indeterminate' type on checkboxes. In GTK, the shadow type
         * must also be changed for the state to be drawn.
         */
-        gtk_style_context_add_class(style, GTK_STYLE_CLASS_CHECK);
-        gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gCheckboxWidget), inconsistent);
-        gtk_render_check(style, cr, x, y, width, height);
+        gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(w->widget), inconsistent);
+        gtk_render_check(w->check.styleCheck, cr, x, y, width, height);
         if (state->focused) {
-            gtk_render_focus(style, cr,
+            gtk_render_focus(w->check.styleCheck, cr,
                              focus_x, focus_y, focus_width, focus_height);
         }
     }
-    gtk_style_context_restore(style);
+    gtk_style_context_restore(w->check.styleCheck);

     return MOZ_GTK_SUCCESS;
 }
@@ -1035,8 +1252,8 @@ calculate_button_inner_rect(GtkWidget* b
     style = gtk_widget_get_style_context(button);

     /* This mirrors gtkbutton's child positioning */
-    gtk_style_context_get_border(style, 0, &border);
-    gtk_style_context_get_padding(style, 0, &padding);
+    gtk_style_context_get_border(style, gtk_style_context_get_state(style), &border);
+    gtk_style_context_get_padding(style, gtk_style_context_get_state(style), &padding);

     inner_rect->x = rect->x + border.left + padding.left;
     inner_rect->y = rect->y + padding.top + border.top;
@@ -1099,9 +1316,9 @@ moz_gtk_scrollbar_button_paint(cairo_t *
     ensure_scrollbar_widget();

     if (flags & MOZ_GTK_STEPPER_VERTICAL)
-        scrollbar = gVertScrollbarWidget;
+        scrollbar = gVertScrollbar.widget;
     else
-        scrollbar = gHorizScrollbarWidget;
+        scrollbar = gHorizScrollbar.widget;

     gtk_widget_set_direction(scrollbar, direction);

@@ -1181,25 +1398,22 @@ moz_gtk_scrollbar_trough_paint(GtkThemeW
                                GtkTextDirection direction)
 {
     GtkStyleContext* style;
-    GtkScrollbar *scrollbar;

     ensure_scrollbar_widget();

-    if (widget ==  MOZ_GTK_SCROLLBAR_HORIZONTAL)
-        scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
-    else
-        scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
-
-    gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
-
     if (flags & MOZ_GTK_TRACK_OPAQUE) {
         style = gtk_widget_get_style_context(GTK_WIDGET(gProtoWindow));
         gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
     }

-    style = gtk_widget_get_style_context(GTK_WIDGET(scrollbar));
-    gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
+     if (widget == MOZ_GTK_SCROLLBAR_HORIZONTAL) {
+        gtk_widget_set_direction(GTK_WIDGET(gHorizScrollbar.widget), direction);
+        style = gHorizScrollbar.scroll.style;
+    }
+    else {
+        gtk_widget_set_direction(GTK_WIDGET(gVertScrollbar.widget), direction);
+        style = gVertScrollbar.scroll.style;
+    }

     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
@@ -1208,7 +1422,6 @@ moz_gtk_scrollbar_trough_paint(GtkThemeW
         gtk_render_focus(style, cr,
                          rect->x, rect->y, rect->width, rect->height);
     }
-    gtk_style_context_restore(style);
     return MOZ_GTK_SUCCESS;
 }

@@ -1220,24 +1433,20 @@ moz_gtk_scrollbar_thumb_paint(GtkThemeWi
 {
     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
     GtkStyleContext* style;
-    GtkScrollbar *scrollbar;
     GtkBorder margin;

     ensure_scrollbar_widget();

-    if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL)
-        scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
-    else
-        scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
-
-    gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
-
-    style = gtk_widget_get_style_context(GTK_WIDGET(scrollbar));
-    gtk_style_context_save(style);
+    if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) {
+        style = gHorizScrollbar.scroll.styleSlider;
+        gtk_widget_set_direction(GTK_WIDGET(gHorizScrollbar.widget), direction);
+    }
+    else {
+        style = gVertScrollbar.scroll.styleSlider;
+        gtk_widget_set_direction(GTK_WIDGET(gVertScrollbar.widget), direction);
+    }

-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_SLIDER);
     gtk_style_context_set_state(style, state_flags);
-
     gtk_style_context_get_margin (style, state_flags, &margin);

     gtk_render_slider(style, cr,
@@ -1248,8 +1457,6 @@ moz_gtk_scrollbar_thumb_paint(GtkThemeWi
                      (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) ?
                      GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL);

-    gtk_style_context_restore(style);
-
     return MOZ_GTK_SUCCESS;
 }

@@ -1260,8 +1467,8 @@ moz_gtk_spin_paint(cairo_t *cr, GdkRecta
     GtkStyleContext* style;

     ensure_spin_widget();
-    gtk_widget_set_direction(gSpinWidget, direction);
-    style = gtk_widget_get_style_context(gSpinWidget);
+    gtk_widget_set_direction(gSpin.widget, direction);
+    style = gSpin.spin.style;
     gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SPINBUTTON);
     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
@@ -1280,11 +1487,10 @@ moz_gtk_spin_updown_paint(cairo_t *cr, G
     GtkStyleContext* style;

     ensure_spin_widget();
-    style = gtk_widget_get_style_context(gSpinWidget);
+    style = gSpin.spin.style;
     gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_SPINBUTTON);
     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
-    gtk_widget_set_direction(gSpinWidget, direction);
+    gtk_widget_set_direction(gSpin.widget, direction);

     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
@@ -1450,15 +1656,13 @@ moz_gtk_vpaned_paint(cairo_t *cr, GdkRec
 static gint
 moz_gtk_entry_paint(cairo_t *cr, GdkRectangle* rect,
                     GtkWidgetState* state,
-                    GtkWidget* widget, GtkTextDirection direction)
+                    MozGtkWidget* w, GtkTextDirection direction)
 {
     gint x = rect->x, y = rect->y, width = rect->width, height = rect->height;
-    GtkStyleContext* style;
     int draw_focus_outline_only = state->depressed; // NS_THEME_FOCUS_OUTLINE
+    GtkStyleContext* style = w->entry.style;

-    gtk_widget_set_direction(widget, direction);
-
-    style = gtk_widget_get_style_context(widget);
+    gtk_widget_set_direction(w->widget, direction);

     if (draw_focus_outline_only) {
         // Inflate the given 'rect' with the focus outline size.
@@ -1478,10 +1682,9 @@ moz_gtk_entry_paint(cairo_t *cr, GdkRect
      * textarea window uses gtk_paint_flat_box when exposed */

     /* This gets us a lovely greyish disabledish look */
-    gtk_widget_set_sensitive(widget, !state->disabled);
+    gtk_widget_set_sensitive(w->widget, !state->disabled);

     gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_ENTRY);

     /* Now paint the shadow and focus border.
      * We do like in gtk_entry_draw_frame, we first draw the shadow, a tad
@@ -1531,7 +1734,7 @@ moz_gtk_treeview_paint(cairo_t *cr, GdkR
     style = gtk_widget_get_style_context(gScrolledWindowWidget);
     gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_FRAME);
-    gtk_style_context_get_border(style, state_flags, &border);
+    moz_gtk_get_style_border(style, state_flags, &border);
     xthickness = border.left;
     ythickness = border.top;

@@ -1702,7 +1905,7 @@ moz_gtk_combo_box_paint(cairo_t *cr, Gdk
         if (direction == GTK_TEXT_DIR_LTR) {
             GtkBorder padding;
             GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
-            gtk_style_context_get_padding(style, state_flags, &padding);
+            moz_gtk_get_style_padding(style, state_flags, &padding);
             arrow_rect.x -= padding.left;
         }
         else
@@ -1804,29 +2007,27 @@ moz_gtk_container_paint(cairo_t *cr, Gdk
                         gboolean isradio, GtkTextDirection direction)
 {
     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
-    GtkStyleContext* style;
-    GtkWidget *widget;
+    MozGtkWidget *widget;

     if (isradio) {
         ensure_radiobutton_widget();
-        widget = gRadiobuttonWidget;
+        widget = &gRadiobutton;
     } else {
         ensure_checkbox_widget();
-        widget = gCheckboxWidget;
+        widget = &gCheckbox;
     }
-    gtk_widget_set_direction(widget, direction);
+    gtk_widget_set_direction(widget->widget, direction);

-    style = gtk_widget_get_style_context(widget);
-    gtk_style_context_save(style);
-    gtk_style_context_set_state(style, state_flags);
+    gtk_style_context_save(widget->check.style);
+    gtk_style_context_set_state(widget->check.style, state_flags);

     /* this is for drawing a prelight box */
     if (state_flags & GTK_STATE_FLAG_PRELIGHT) {
-        gtk_render_background(style, cr,
+        gtk_render_background(widget->check.style, cr,
                               rect->x, rect->y, rect->width, rect->height);
     }

-    gtk_style_context_restore(style);
+    gtk_style_context_restore(widget->check.style);

     return MOZ_GTK_SUCCESS;
 }
@@ -1836,32 +2037,26 @@ moz_gtk_toggle_label_paint(cairo_t *cr,
                            GtkWidgetState* state,
                            gboolean isradio, GtkTextDirection direction)
 {
-    GtkStyleContext *style;
-    GtkWidget *widget;
+    MozGtkWidget *widget;

     if (!state->focused)
         return MOZ_GTK_SUCCESS;

     if (isradio) {
         ensure_radiobutton_widget();
-        widget = gRadiobuttonWidget;
+        widget = &gRadiobutton;
     } else {
         ensure_checkbox_widget();
-        widget = gCheckboxWidget;
-    }
-    style = gtk_widget_get_style_context(widget);
-    gtk_style_context_save(style);
-    if (isradio) {
-      gtk_style_context_add_class(style, GTK_STYLE_CLASS_RADIO);
-    } else {
-      gtk_style_context_add_class(style, GTK_STYLE_CLASS_CHECK);
+        widget = &gCheckbox;
     }
-    gtk_widget_set_direction(widget, direction);
+    gtk_style_context_save(widget->check.styleLabel);
+    gtk_widget_set_direction(widget->widget, direction);

-    gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
-    gtk_render_focus(style, cr,
+    gtk_style_context_set_state(widget->check.styleLabel,
+                                GetStateFlagsFromGtkWidgetState(state));
+    gtk_render_focus(widget->check.styleLabel, cr,
                     rect->x, rect->y, rect->width, rect->height);
-    gtk_style_context_restore(style);
+    gtk_style_context_restore(widget->check.styleLabel);

     return MOZ_GTK_SUCCESS;
 }
@@ -1922,7 +2117,7 @@ moz_gtk_toolbar_separator_paint(cairo_t
                           rect->height * (end_fraction - start_fraction));
     } else {
         GtkBorder padding;
-        gtk_style_context_get_padding(style, 0, &padding);
+        gtk_style_context_get_padding(style, gtk_style_context_get_state(style), &padding);

         paint_width = padding.left;
         if (paint_width > rect->width)
@@ -1945,9 +2140,9 @@ moz_gtk_tooltip_paint(cairo_t *cr, GdkRe
     GtkStyleContext* style;

     ensure_tooltip_widget();
-    gtk_widget_set_direction(gTooltipWidget, direction);
+    gtk_widget_set_direction(gTooltip.widget, direction);

-    style = gtk_widget_get_style_context(gTooltipWidget);
+    style = gTooltip.tooltip.styleBackground;
     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
     return MOZ_GTK_SUCCESS;
@@ -2006,18 +2201,13 @@ static gint
 moz_gtk_progressbar_paint(cairo_t *cr, GdkRectangle* rect,
                           GtkTextDirection direction)
 {
-    GtkStyleContext* style;
-
     ensure_progress_widget();
-    gtk_widget_set_direction(gProgressWidget, direction);
+    gtk_widget_set_direction(gProgressBar.widget, direction);

-    style = gtk_widget_get_style_context(gProgressWidget);
-    gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
-
-    gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
-    gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
-    gtk_style_context_restore(style);
+    gtk_render_background(gProgressBar.progress.styleTrough, cr,
+                          rect->x, rect->y, rect->width, rect->height);
+    gtk_render_frame(gProgressBar.progress.styleTrough, cr,
+                     rect->x, rect->y, rect->width, rect->height);

     return MOZ_GTK_SUCCESS;
 }
@@ -2027,15 +2217,8 @@ moz_gtk_progress_chunk_paint(cairo_t *cr
                              GtkTextDirection direction,
                              GtkThemeWidgetType widget)
 {
-    GtkStyleContext* style;
-
     ensure_progress_widget();
-    gtk_widget_set_direction(gProgressWidget, direction);
-
-    style = gtk_widget_get_style_context(gProgressWidget);
-    gtk_style_context_save(style);
-    gtk_style_context_remove_class(style, GTK_STYLE_CLASS_TROUGH);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_PROGRESSBAR);
+    gtk_widget_set_direction(gProgressBar.widget, direction);

     if (widget == MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE ||
         widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE) {
@@ -2074,12 +2257,14 @@ moz_gtk_progress_chunk_paint(cairo_t *cr
     // gtk_render_activity was used to render progress chunks on GTK versions
     // before 3.13.7, see bug 1173907.
     if (!gtk_check_version(3, 13, 7)) {
-      gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
-      gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
+      gtk_render_background(gProgressBar.progress.styleProgress, cr,
+                            rect->x, rect->y, rect->width, rect->height);
+      gtk_render_frame(gProgressBar.progress.styleProgress, cr,
+                       rect->x, rect->y, rect->width, rect->height);
     } else {
-      gtk_render_activity(style, cr, rect->x, rect->y, rect->width, rect->height);
+      gtk_render_activity(gProgressBar.progress.styleProgress, cr,
+                          rect->x, rect->y, rect->width, rect->height);
     }
-    gtk_style_context_restore(style);

     return MOZ_GTK_SUCCESS;
 }
@@ -2096,7 +2281,7 @@ moz_gtk_get_tab_thickness(void)

     style = gtk_widget_get_style_context(gTabWidget);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_NOTEBOOK);
-    gtk_style_context_get_border(style, 0, &border);
+    gtk_style_context_get_border(style, gtk_style_context_get_state(style), &border);

     if (border.top < 2)
         return 2; /* some themes don't set ythickness correctly */
@@ -2292,7 +2477,7 @@ moz_gtk_tab_paint(cairo_t *cr, GdkRectan
       gtk_style_context_save(style);
       moz_gtk_tab_prepare_style_context(style, flags);

-      gtk_style_context_get_padding(style, GetStateFlagsFromGtkWidgetState(state), &padding);
+      moz_gtk_get_style_padding(style, GetStateFlagsFromGtkWidgetState(state), &padding);

       focusRect.x += padding.left;
       focusRect.width -= (padding.left + padding.right);
@@ -2408,7 +2593,7 @@ moz_gtk_tab_scroll_arrow_paint(cairo_t *
 }

 static gint
-moz_gtk_menu_bar_paint(cairo_t *cr, GdkRectangle* rect,
+moz_gtk_menu_bar_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state,
                        GtkTextDirection direction)
 {
     GtkStyleContext* style;
@@ -2468,7 +2653,7 @@ moz_gtk_menu_separator_paint(cairo_t *cr
     border_width = gtk_container_get_border_width(GTK_CONTAINER(gMenuSeparatorWidget));

     style = gtk_widget_get_style_context(gMenuSeparatorWidget);
-    gtk_style_context_get_padding(style, 0, &padding);
+    gtk_style_context_get_padding(style, gtk_style_context_get_state(style), &padding);

     x = rect->x + border_width;
     y = rect->y + border_width;
@@ -2521,7 +2706,8 @@ moz_gtk_menu_item_paint(cairo_t *cr, Gdk
             item_widget = gMenuItemWidget;
         }
         style = gtk_widget_get_style_context(item_widget);
-        gtk_style_context_save(style);
+// TODO - FIX!
+//        gtk_style_context_save(style);

         if (flags & MOZ_TOPLEVEL_MENU_ITEM) {
             gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUBAR);
@@ -2540,7 +2726,7 @@ moz_gtk_menu_item_paint(cairo_t *cr, Gdk

         gtk_render_background(style, cr, x, y, w, h);
         gtk_render_frame(style, cr, x, y, w, h);
-        gtk_style_context_restore(style);
+//        gtk_style_context_restore(style);
     }

     return MOZ_GTK_SUCCESS;
@@ -2556,7 +2742,10 @@ moz_gtk_menu_arrow_paint(cairo_t *cr, Gd

     ensure_menu_item_widget();
     gtk_widget_set_direction(gMenuItemWidget, direction);
-
+/*
+    state_flags |= (direction == GTK_TEXT_DIR_LTR) ? GTK_STATE_FLAG_DIR_LTR :
+                                                     GTK_STATE_FLAG_DIR_RTL;
+*/
     style = gtk_widget_get_style_context(gMenuItemWidget);
     gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUITEM);
@@ -2606,7 +2795,7 @@ moz_gtk_check_menu_item_paint(cairo_t *c
     }

     gtk_style_context_set_state(style, state_flags);
-    gtk_style_context_get_padding(style, state_flags, &padding);
+    moz_gtk_get_style_padding(style, state_flags, &padding);

     offset = gtk_container_get_border_width(GTK_CONTAINER(gCheckMenuItemWidget)) +
                                             padding.left + 2;
@@ -2658,7 +2847,7 @@ moz_gtk_add_style_border(GtkStyleContext
 {
     GtkBorder border;

-    gtk_style_context_get_border(style, 0, &border);
+    gtk_style_context_get_border(style, gtk_style_context_get_state(style), &border);

     *left += border.left;
     *right += border.right;
@@ -2667,12 +2856,22 @@ moz_gtk_add_style_border(GtkStyleContext
 }

 static void
+moz_gtk_get_style_border(GtkStyleContext* style, GtkStateFlags state_flags,
+                         GtkBorder *border)
+{
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, state_flags);
+    gtk_style_context_get_border(style, gtk_style_context_get_state(style), border);
+    gtk_style_context_restore(style);
+}
+
+static void
 moz_gtk_add_style_padding(GtkStyleContext* style,
                           gint* left, gint* top, gint* right, gint* bottom)
 {
     GtkBorder padding;

-    gtk_style_context_get_padding(style, 0, &padding);
+    gtk_style_context_get_padding(style, gtk_style_context_get_state(style), &padding);

     *left += padding.left;
     *right += padding.right;
@@ -2680,6 +2879,16 @@ moz_gtk_add_style_padding(GtkStyleContex
     *bottom += padding.bottom;
 }

+static void
+moz_gtk_get_style_padding(GtkStyleContext* style, GtkStateFlags state_flags,
+                          GtkBorder *padding)
+{
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, state_flags);
+    gtk_style_context_get_padding(style, gtk_style_context_get_state(style), padding);
+    gtk_style_context_restore(style);
+}
+
 gint
 moz_gtk_get_widget_border(GtkThemeWidgetType widget, gint* left, gint* top,
                           gint* right, gint* bottom, GtkTextDirection direction,
@@ -2694,37 +2903,35 @@ moz_gtk_get_widget_border(GtkThemeWidget
     case MOZ_GTK_TOOLBAR_BUTTON:
         {
             ensure_button_widget();
-            style = gtk_widget_get_style_context(gButtonWidget);
-
-            *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(gButtonWidget));

-            if (widget == MOZ_GTK_TOOLBAR_BUTTON) {
-                gtk_style_context_save(style);
-                gtk_style_context_add_class(style, "image-button");
-            }
-
-            moz_gtk_add_style_padding(style, left, top, right, bottom);
-
-            if (widget == MOZ_GTK_TOOLBAR_BUTTON)
-                gtk_style_context_restore(style);
+            *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(gButton.widget));
+            moz_gtk_add_style_padding(gButton.button.style, left, top, right, bottom);

             // XXX: Subtract 1 pixel from the border to account for the added
             // -moz-focus-inner border (Bug 1228281).
             *left -= 1; *top -= 1; *right -= 1; *bottom -= 1;
-            moz_gtk_add_style_border(style, left, top, right, bottom);
+            moz_gtk_add_style_border(gButton.button.style, left, top, right, bottom);
+
             return MOZ_GTK_SUCCESS;
         }
     case MOZ_GTK_ENTRY:
         {
             ensure_entry_widget();
-            style = gtk_widget_get_style_context(gEntryWidget);

             // XXX: Subtract 1 pixel from the padding to account for the default
             // padding in forms.css. See bug 1187385.
             *left = *top = *right = *bottom = -1;
-            moz_gtk_add_style_padding(style, left, top, right, bottom);
-            moz_gtk_add_style_border(style, left, top, right, bottom);

+            moz_gtk_add_style_padding(gEntry.entry.style, left, top, right, bottom);
+            moz_gtk_add_style_border(gEntry.entry.style, left, top, right, bottom);
+
+            return MOZ_GTK_SUCCESS;
+        }
+    case MOZ_GTK_TOOLTIP:
+        {
+            ensure_tooltip_widget();
+            moz_gtk_add_style_padding(gTooltip.tooltip.styleBackground, left, top, right, bottom);
+            moz_gtk_add_style_border(gTooltip.tooltip.styleBackground, left, top, right, bottom);
             return MOZ_GTK_SUCCESS;
         }
     case MOZ_GTK_TREEVIEW:
@@ -2759,7 +2966,7 @@ moz_gtk_get_widget_border(GtkThemeWidget
         break;
     case MOZ_GTK_DROPDOWN_ENTRY:
         ensure_combo_box_entry_widgets();
-        w = gComboBoxEntryTextareaWidget;
+        w = gComboBoxEntryTextarea.widget;
         break;
     case MOZ_GTK_DROPDOWN_ARROW:
         ensure_combo_box_entry_widgets();
@@ -2795,7 +3002,7 @@ moz_gtk_get_widget_border(GtkThemeWidget

                 if (!wide_separators) {
                     style = gtk_widget_get_style_context(gComboBoxSeparatorWidget);
-                    gtk_style_context_get_border(style, 0, &border);
+                    gtk_style_context_get_border(style, gtk_style_context_get_state(style), &border);
                     separator_width = border.left;
                 }
             }
@@ -2814,14 +3021,17 @@ moz_gtk_get_widget_border(GtkThemeWidget
         w = gTabWidget;
         break;
     case MOZ_GTK_PROGRESSBAR:
-        ensure_progress_widget();
-        w = gProgressWidget;
-        break;
+        {
+            ensure_progress_widget();
+            moz_gtk_add_style_border(gProgressBar.progress.styleTrough,
+                                     left, top, right, bottom);
+            return MOZ_GTK_SUCCESS;
+        }
     case MOZ_GTK_SPINBUTTON_ENTRY:
     case MOZ_GTK_SPINBUTTON_UP:
     case MOZ_GTK_SPINBUTTON_DOWN:
         ensure_spin_widget();
-        w = gSpinWidget;
+        w = gSpin.widget;
         break;
     case MOZ_GTK_SCALE_HORIZONTAL:
         ensure_scale_widget();
@@ -2840,12 +3050,13 @@ moz_gtk_get_widget_border(GtkThemeWidget
         {
             if (widget == MOZ_GTK_CHECKBUTTON_CONTAINER) {
                 ensure_checkbox_widget();
-                w = gCheckboxWidget;
+                w = gCheckbox.widget;
+                style = gCheckbox.check.styleCheck;
             } else {
                 ensure_radiobutton_widget();
-                w = gRadiobuttonWidget;
+                w = gRadiobutton.widget;
+                style = gRadiobutton.check.styleCheck;
             }
-            style = gtk_widget_get_style_context(w);

             *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(w));
             moz_gtk_add_style_border(style,
@@ -2904,7 +3115,6 @@ moz_gtk_get_widget_border(GtkThemeWidget
     case MOZ_GTK_MENUSEPARATOR:
     /* These widgets have no borders.*/
     case MOZ_GTK_SPINBUTTON:
-    case MOZ_GTK_TOOLTIP:
     case MOZ_GTK_WINDOW:
     case MOZ_GTK_RESIZER:
     case MOZ_GTK_MENUARROW:
@@ -2978,6 +3188,32 @@ moz_gtk_get_combo_box_entry_button_size(
 }

 gint
+moz_gtk_get_entry_height(gint* height)
+{
+    GtkRequisition requisition;
+    ensure_entry_widget();
+
+    gtk_widget_get_preferred_size(gEntry.widget, NULL, &requisition);
+    *height = requisition.height;
+
+    return MOZ_GTK_SUCCESS;
+}
+
+
+gint
+moz_gtk_get_button_height(gint* height)
+{
+    GtkRequisition requisition;
+    ensure_entry_widget();
+
+    gtk_widget_get_preferred_size(gButton.widget, NULL, &requisition);
+    *height = requisition.height;
+
+    return MOZ_GTK_SUCCESS;
+}
+
+
+gint
 moz_gtk_get_tab_scroll_arrow_size(gint* width, gint* height)
 {
     gint arrow_size;
@@ -3030,7 +3266,7 @@ moz_gtk_get_toolbar_separator_width(gint
                          "separator-width", &separator_width,
                          NULL);
     /* Just in case... */
-    gtk_style_context_get_border(style, 0, &border);
+    gtk_style_context_get_border(style, gtk_style_context_get_state(style), &border);
     *size = MAX(*size, (wide_separators ? separator_width : border.left));
     return MOZ_GTK_SUCCESS;
 }
@@ -3072,7 +3308,7 @@ moz_gtk_get_menu_separator_height(gint *
     border_width = gtk_container_get_border_width(GTK_CONTAINER(gMenuSeparatorWidget));

     style = gtk_widget_get_style_context(gMenuSeparatorWidget);
-    gtk_style_context_get_padding(style, 0, &padding);
+    gtk_style_context_get_padding(style, gtk_style_context_get_state(style), &padding);

     gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SEPARATOR);
@@ -3130,15 +3366,21 @@ moz_gtk_get_scrollbar_metrics(MozGtkScro
 {
     ensure_scrollbar_widget();

-    gtk_widget_style_get (gHorizScrollbarWidget,
+    gtk_widget_style_get (gHorizScrollbar.widget,
                           "slider_width", &metrics->slider_width,
                           "trough_border", &metrics->trough_border,
                           "stepper_size", &metrics->stepper_size,
                           "stepper_spacing", &metrics->stepper_spacing,
                           NULL);

-    metrics->min_slider_size =
-        gtk_range_get_min_slider_size(GTK_RANGE(gHorizScrollbarWidget));
+    if (!gtk_check_version(3,19,7)) {
+        gtk_style_context_get(gVertScrollbar.scroll.styleSlider,
+                              gtk_style_context_get_state(gVertScrollbar.scroll.styleSlider),
+                              "min-height", &metrics->min_slider_size, NULL);
+    } else {
+        metrics->min_slider_size =
+            gtk_range_get_min_slider_size(GTK_RANGE(gVertScrollbar.widget));
+    }

     return MOZ_GTK_SUCCESS;
 }
@@ -3163,7 +3405,7 @@ moz_gtk_images_in_buttons()
     GtkSettings* settings;

     ensure_button_widget();
-    settings = gtk_widget_get_settings(gButtonWidget);
+    settings = gtk_widget_get_settings(gButton.widget);

     g_object_get(settings, "gtk-button-images", &result, NULL);
     return result;
@@ -3191,7 +3433,7 @@ moz_gtk_widget_paint(GtkThemeWidgetType
         }
         ensure_button_widget();
         return moz_gtk_button_paint(cr, rect, state,
-                                    (GtkReliefStyle) flags, gButtonWidget,
+                                    (GtkReliefStyle) flags, gButton.widget,
                                     direction);
         break;
     case MOZ_GTK_CHECKBUTTON:
@@ -3241,7 +3483,7 @@ moz_gtk_widget_paint(GtkThemeWidgetType
     case MOZ_GTK_SPINBUTTON_ENTRY:
         ensure_spin_widget();
         return moz_gtk_entry_paint(cr, rect, state,
-                                   gSpinWidget, direction);
+                                   &gSpin, direction);
         break;
     case MOZ_GTK_GRIPPER:
         return moz_gtk_gripper_paint(cr, rect, state,
@@ -3268,7 +3510,7 @@ moz_gtk_widget_paint(GtkThemeWidgetType
     case MOZ_GTK_ENTRY:
         ensure_entry_widget();
         return moz_gtk_entry_paint(cr, rect, state,
-                                   gEntryWidget, direction);
+                                   &gEntry, direction);
         break;
     case MOZ_GTK_DROPDOWN:
         return moz_gtk_combo_box_paint(cr, rect, state, direction);
@@ -3280,7 +3522,7 @@ moz_gtk_widget_paint(GtkThemeWidgetType
     case MOZ_GTK_DROPDOWN_ENTRY:
         ensure_combo_box_entry_widgets();
         return moz_gtk_entry_paint(cr, rect, state,
-                                   gComboBoxEntryTextareaWidget, direction);
+                                   &gComboBoxEntryTextarea, direction);
         break;
     case MOZ_GTK_CHECKBUTTON_CONTAINER:
     case MOZ_GTK_RADIOBUTTON_CONTAINER:
@@ -3332,7 +3574,7 @@ moz_gtk_widget_paint(GtkThemeWidgetType
                                               (GtkArrowType) flags, direction);
         break;
     case MOZ_GTK_MENUBAR:
-        return moz_gtk_menu_bar_paint(cr, rect, direction);
+        return moz_gtk_menu_bar_paint(cr, rect, state, direction);
         break;
     case MOZ_GTK_MENUPOPUP:
         return moz_gtk_menu_popup_paint(cr, rect, direction);
@@ -3383,7 +3625,7 @@ GtkWidget* moz_gtk_get_scrollbar_widget(
 {
     MOZ_ASSERT(is_initialized, "Forgot to call moz_gtk_init()");
     ensure_scrollbar_widget();
-    return gHorizScrollbarWidget;
+    return gVertScrollbar.widget;
 }

 gboolean moz_gtk_has_scrollbar_buttons(void)
@@ -3391,7 +3633,7 @@ gboolean moz_gtk_has_scrollbar_buttons(v
     gboolean backward, forward, secondary_backward, secondary_forward;
     MOZ_ASSERT(is_initialized, "Forgot to call moz_gtk_init()");
     ensure_scrollbar_widget();
-    gtk_widget_style_get (gHorizScrollbarWidget,
+    gtk_widget_style_get (gHorizScrollbar.widget,
                           "has-backward-stepper", &backward,
                           "has-forward-stepper", &forward,
                           "has-secondary-backward-stepper", &secondary_backward,
@@ -3403,8 +3645,8 @@ gboolean moz_gtk_has_scrollbar_buttons(v
 gint
 moz_gtk_shutdown()
 {
-    if (gTooltipWidget)
-        gtk_widget_destroy(gTooltipWidget);
+    moz_gtk_widget_free(&gTooltip);
+
     /* This will destroy all of our widgets */
     if (gProtoWindow)
         gtk_widget_destroy(gProtoWindow);
@@ -3415,17 +3657,19 @@ moz_gtk_shutdown()

     gProtoWindow = NULL;
     gProtoLayout = NULL;
-    gButtonWidget = NULL;
+
+    // MozWidgets
+    moz_gtk_widget_free(&gButton);
     gToggleButtonWidget = NULL;
     gButtonArrowWidget = NULL;
-    gCheckboxWidget = NULL;
-    gRadiobuttonWidget = NULL;
-    gHorizScrollbarWidget = NULL;
-    gVertScrollbarWidget = NULL;
-    gSpinWidget = NULL;
+    moz_gtk_widget_free(&gCheckbox);
+    moz_gtk_widget_free(&gRadiobutton);
+    moz_gtk_widget_free(&gHorizScrollbar);
+    moz_gtk_widget_free(&gVertScrollbar);
+    moz_gtk_widget_free(&gSpin);
     gHScaleWidget = NULL;
     gVScaleWidget = NULL;
-    gEntryWidget = NULL;
+    moz_gtk_widget_free(&gEntry);
     gComboBoxWidget = NULL;
     gComboBoxButtonWidget = NULL;
     gComboBoxSeparatorWidget = NULL;
@@ -3433,14 +3677,13 @@ moz_gtk_shutdown()
     gComboBoxEntryWidget = NULL;
     gComboBoxEntryButtonWidget = NULL;
     gComboBoxEntryArrowWidget = NULL;
-    gComboBoxEntryTextareaWidget = NULL;
+    moz_gtk_widget_free(&gComboBoxEntryTextarea);
     gHandleBoxWidget = NULL;
     gToolbarWidget = NULL;
     gStatusbarWidget = NULL;
     gFrameWidget = NULL;
-    gProgressWidget = NULL;
+    moz_gtk_widget_free(&gProgressBar);
     gTabWidget = NULL;
-    gTooltipWidget = NULL;
     gMenuBarWidget = NULL;
     gMenuBarItemWidget = NULL;
     gMenuPopupWidget = NULL;
diff -up firefox-46.0.1/widget/gtk/gtkdrawing.h.gtk3-20 firefox-46.0.1/widget/gtk/gtkdrawing.h
--- firefox-46.0.1/widget/gtk/gtkdrawing.h.gtk3-20	2016-05-03 07:31:12.000000000 +0200
+++ firefox-46.0.1/widget/gtk/gtkdrawing.h	2016-05-19 15:20:11.656519199 +0200
@@ -67,6 +67,13 @@ typedef enum {
   MOZ_GTK_TAB_SELECTED        = 1 << 10
 } GtkTabFlags;

+typedef struct {
+  GType type;
+  const gchar *name;
+  const gchar *class1;
+  const gchar *class2;
+} GtkCssNode;
+
 /** flags for menuitems **/
 typedef enum {
   /* menuitem is part of the menubar */
@@ -396,6 +403,9 @@ void
 moz_gtk_get_arrow_size(GtkThemeWidgetType widgetType,
                        gint* width, gint* height);

+gint moz_gtk_get_entry_height(gint* height);
+gint moz_gtk_get_button_height(gint* height);
+
 /**
  * Get the desired size of a toolbar separator
  * size:    [OUT] the desired width
@@ -466,6 +476,12 @@ gboolean moz_gtk_images_in_buttons(void)
  */
 gboolean moz_gtk_has_scrollbar_buttons(void);

+
+GtkStyleContext *
+moz_gtk_style_create(GtkCssNode *node, GtkStyleContext *parent);
+
+
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
diff -up firefox-46.0.1/widget/gtk/mozgtk/mozgtk.c.gtk3-20 firefox-46.0.1/widget/gtk/mozgtk/mozgtk.c
--- firefox-46.0.1/widget/gtk/mozgtk/mozgtk.c.gtk3-20	2016-05-03 07:31:12.000000000 +0200
+++ firefox-46.0.1/widget/gtk/mozgtk/mozgtk.c	2016-05-20 10:40:19.442320669 +0200
@@ -504,6 +504,11 @@ STUB(gtk_window_set_type_hint)
 STUB(gtk_window_set_wmclass)
 STUB(gtk_window_unfullscreen)
 STUB(gtk_window_unmaximize)
+STUB(gtk_widget_get_preferred_height_and_baseline_for_width)
+STUB(gtk_entry_get_text_area)
+STUB(gtk_check_menu_item_get_type)
+STUB(gtk_spin_button_get_type)
+STUB(gtk_button_get_type)
 #endif

 #ifdef GTK3_SYMBOLS
@@ -581,6 +586,14 @@ STUB(gtk_color_chooser_get_type)
 STUB(gtk_color_chooser_set_rgba)
 STUB(gtk_color_chooser_get_rgba)
 STUB(gtk_color_chooser_set_use_alpha)
+STUB(gtk_style_context_get_path)
+STUB(gtk_widget_path_copy)
+STUB(gtk_widget_path_iter_set_object_name)
+STUB(gtk_widget_path_iter_add_class)
+STUB(gtk_widget_path_iter_get_state)
+STUB(gtk_style_context_set_parent)
+STUB(gtk_widget_path_unref)
+STUB(gtk_tooltip_get_type)
 #endif

 #ifdef GTK2_SYMBOLS
diff -up firefox-46.0.1/widget/gtk/nsLookAndFeel.cpp.gtk3-20 firefox-46.0.1/widget/gtk/nsLookAndFeel.cpp
--- firefox-46.0.1/widget/gtk/nsLookAndFeel.cpp.gtk3-20	2016-05-03 07:31:12.000000000 +0200
+++ firefox-46.0.1/widget/gtk/nsLookAndFeel.cpp	2016-05-20 13:53:54.085049707 +0200
@@ -353,14 +353,18 @@ nsLookAndFeel::NativeGetColor(ColorID aI
     case eColorID_activeborder:
         // active window border
         gtk_style_context_get_border_color(mBackgroundStyle,
-                                           GTK_STATE_FLAG_NORMAL, &gdk_color);
+                                           gtk_style_context_get_state(mBackgroundStyle),
+                                           &gdk_color);
         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
         break;
     case eColorID_inactiveborder:
         // inactive window border
+        gtk_style_context_save(mBackgroundStyle);
+        gtk_style_context_set_state(mBackgroundStyle, GTK_STATE_FLAG_INSENSITIVE);
         gtk_style_context_get_border_color(mBackgroundStyle,
-                                           GTK_STATE_FLAG_INSENSITIVE,
+                                           gtk_style_context_get_state(mBackgroundStyle),
                                            &gdk_color);
+        gtk_style_context_restore(mBackgroundStyle);
         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
         break;
     case eColorID_graytext: // disabled text in windows, menus, etc.
@@ -369,9 +373,12 @@ nsLookAndFeel::NativeGetColor(ColorID aI
         break;
     case eColorID_inactivecaption:
         // inactive window caption
+        gtk_style_context_save(mBackgroundStyle);
+        gtk_style_context_set_state(mBackgroundStyle, GTK_STATE_FLAG_INSENSITIVE);
         gtk_style_context_get_background_color(mBackgroundStyle,
-                                               GTK_STATE_FLAG_INSENSITIVE,
+                                               gtk_style_context_get_state(mBackgroundStyle),
                                                &gdk_color);
+        gtk_style_context_restore(mBackgroundStyle);
         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
         break;
 #endif
@@ -497,13 +504,17 @@ nsLookAndFeel::NativeGetColor(ColorID aI
     case eColorID__moz_buttondefault:
       // default button border color
         gtk_style_context_get_border_color(mButtonStyle,
-                                           GTK_STATE_FLAG_NORMAL, &gdk_color);
+                                           gtk_style_context_get_state(mButtonStyle),
+                                           &gdk_color);
         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
         break;
     case eColorID__moz_buttonhoverface:
+        gtk_style_context_save(mButtonStyle);
+        gtk_style_context_set_state(mButtonStyle, GTK_STATE_FLAG_PRELIGHT);
         gtk_style_context_get_background_color(mButtonStyle,
-                                               GTK_STATE_FLAG_PRELIGHT,
+                                               gtk_style_context_get_state(mButtonStyle),
                                                &gdk_color);
+        gtk_style_context_restore(mButtonStyle);
         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
         break;
     case eColorID__moz_buttonhovertext:
@@ -1110,27 +1126,29 @@ nsLookAndFeel::Init()
     style = create_context(path);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SCROLLBAR);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMozScrollbar = GDK_RGBA_TO_NS_RGBA(color);
     g_object_unref(style);

     // Window colors
     style = create_context(path);
-    gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMozWindowBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMozWindowText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_restore(style);
+    g_object_unref(style);

     // tooltip foreground and background
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLTIP);
+    GtkCssNode tooltipPath[] = {
+         { GTK_TYPE_TOOLTIP, "tooltip", NULL, NULL},
+    };
+    style = moz_gtk_style_create(tooltipPath, NULL);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
+    sInfoText = GDK_RGBA_TO_NS_RGBA(color);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sInfoBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
-    sInfoText = GDK_RGBA_TO_NS_RGBA(color);
     g_object_unref(style);

     // menu foreground & menu background
@@ -1144,20 +1162,26 @@ nsLookAndFeel::Init()
     gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);

     style = gtk_widget_get_style_context(accel_label);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_INSENSITIVE, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_INSENSITIVE);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuTextInactive = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);

     style = gtk_widget_get_style_context(menu);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMenuBackground = GDK_RGBA_TO_NS_RGBA(color);

     style = gtk_widget_get_style_context(menuitem);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_PRELIGHT);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sMenuHover = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuHoverText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);

     g_object_unref(menu);
 #endif
@@ -1266,44 +1290,54 @@ nsLookAndFeel::Init()
             GDK_COLOR_TO_NS_RGB(style->dark[GTK_STATE_NORMAL]);
     }
 #else
+    GtkCssNode labelPath[] = {
+       { GTK_TYPE_LABEL, "label", "view", NULL },
+       { G_TYPE_NONE, "selection", NULL, NULL }
+    };
+
+    GtkStyleContext *styleLabel;
+    GtkStyleContext *styleSelection;
+    GtkBorder padding;
+
     // Text colors
-    style = gtk_widget_get_style_context(textView);
-    gtk_style_context_save(style);
-    gtk_style_context_add_class(style, GTK_STYLE_CLASS_VIEW);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    styleLabel = moz_gtk_style_create(labelPath, NULL);
+    styleSelection = moz_gtk_style_create(labelPath+1, styleLabel);
+
+    gtk_style_context_get_background_color(styleLabel, gtk_style_context_get_state(styleLabel), &color);
     sMozFieldBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(styleLabel, gtk_style_context_get_state(styleLabel), &color);
     sMozFieldText = GDK_RGBA_TO_NS_RGBA(color);

     // Selected text and background
-    gtk_style_context_get_background_color(style,
-        static_cast<GtkStateFlags>(GTK_STATE_FLAG_FOCUSED|GTK_STATE_FLAG_SELECTED),
-        &color);
+    gtk_style_context_get_background_color(styleSelection, gtk_style_context_get_state(styleSelection), &color);
     sTextSelectedBackground = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style,
-        static_cast<GtkStateFlags>(GTK_STATE_FLAG_FOCUSED|GTK_STATE_FLAG_SELECTED),
-        &color);
+    gtk_style_context_get_color(styleSelection, gtk_style_context_get_state(styleSelection), &color);
     sTextSelectedText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_restore(style);

     // Button text, background, border
     style = gtk_widget_get_style_context(label);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sButtonText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_PRELIGHT);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sButtonHoverText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);

     // Combobox text color
     style = gtk_widget_get_style_context(comboboxLabel);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sComboBoxText = GDK_RGBA_TO_NS_RGBA(color);

     // Menubar text and hover text colors
     style = gtk_widget_get_style_context(menuBar);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuBarText = GDK_RGBA_TO_NS_RGBA(color);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_PRELIGHT, &color);
+    gtk_style_context_save(style);
+    gtk_style_context_set_state(style, GTK_STATE_FLAG_PRELIGHT);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sMenuBarHoverText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);

     // GTK's guide to fancy odd row background colors:
     // 1) Check if a theme explicitly defines an odd row color
@@ -1316,7 +1350,7 @@ nsLookAndFeel::Init()
     // Get odd row background color
     gtk_style_context_save(style);
     gtk_style_context_add_region(style, GTK_STYLE_REGION_ROW, GTK_REGION_ODD);
-    gtk_style_context_get_background_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_background_color(style, gtk_style_context_get_state(style), &color);
     sOddCellBackground = GDK_RGBA_TO_NS_RGBA(color);
     gtk_style_context_restore(style);

@@ -1334,9 +1368,11 @@ nsLookAndFeel::Init()
     gtk_container_add(GTK_CONTAINER(parent), infoBar);
     gtk_container_add(GTK_CONTAINER(infoBarContent), infoBarLabel);
     style = gtk_widget_get_style_context(infoBarLabel);
+    gtk_style_context_save(style);
     gtk_style_context_add_class(style, GTK_STYLE_CLASS_INFO);
-    gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
+    gtk_style_context_get_color(style, gtk_style_context_get_state(style), &color);
     sInfoBarText = GDK_RGBA_TO_NS_RGBA(color);
+    gtk_style_context_restore(style);
 #endif
     // Some themes have a unified menu bar, and support window dragging on it
     gboolean supports_menubar_drag = FALSE;
diff -up firefox-46.0.1/widget/gtk/nsNativeThemeGTK.cpp.gtk3-20 firefox-46.0.1/widget/gtk/nsNativeThemeGTK.cpp
--- firefox-46.0.1/widget/gtk/nsNativeThemeGTK.cpp.gtk3-20	2016-05-03 07:31:12.000000000 +0200
+++ firefox-46.0.1/widget/gtk/nsNativeThemeGTK.cpp	2016-05-19 15:20:11.658519202 +0200
@@ -1567,9 +1567,6 @@ nsNativeThemeGTK::GetMinimumWidgetSize(n
   case NS_THEME_RADIO_CONTAINER:
   case NS_THEME_CHECKBOX_LABEL:
   case NS_THEME_RADIO_LABEL:
-  case NS_THEME_BUTTON:
-  case NS_THEME_DROPDOWN:
-  case NS_THEME_TOOLBAR_BUTTON:
   case NS_THEME_TREEVIEW_HEADER_CELL:
     {
       if (aWidgetType == NS_THEME_DROPDOWN) {
@@ -1588,6 +1585,21 @@ nsNativeThemeGTK::GetMinimumWidgetSize(n
       aResult->height += border.top + border.bottom;
     }
     break;
+  case NS_THEME_BUTTON:
+  case NS_THEME_DROPDOWN:
+  case NS_THEME_TOOLBAR_BUTTON:
+    {
+        moz_gtk_get_button_height(&aResult->height);
+    }
+    break;
+  case NS_THEME_FOCUS_OUTLINE:
+  case NS_THEME_NUMBER_INPUT:
+  case NS_THEME_TEXTFIELD:
+  case NS_THEME_TEXTFIELD_MULTILINE:
+    {
+        moz_gtk_get_entry_height(&aResult->height);
+    }
+    break;
   case NS_THEME_TOOLBAR_SEPARATOR:
     {
       gint separator_width;


code:
diff -Nuar a/build/autoconf/icu.m4 b/build/autoconf/icu.m4
--- a/build/autoconf/icu.m4	2017-09-14 23:15:53.000000000 +0300
+++ b/build/autoconf/icu.m4	2018-01-19 18:45:55.713445653 +0300
@@ -15,7 +15,7 @@
     MOZ_SYSTEM_ICU=1)

 if test -n "$MOZ_SYSTEM_ICU"; then
-    PKG_CHECK_MODULES(MOZ_ICU, icu-i18n >= 59.1)
+    PKG_CHECK_MODULES(MOZ_ICU, icu-i18n >= 58.2)
     CFLAGS="$CFLAGS $MOZ_ICU_CFLAGS"
     CXXFLAGS="$CXXFLAGS $MOZ_ICU_CFLAGS"
 fi
diff -Nuar a/old-configure b/old-configure
--- a/old-configure	2018-01-19 02:55:53.000000000 +0300
+++ b/old-configure	2018-01-19 18:45:13.792448678 +0300
@@ -17589,29 +17589,29 @@
   else
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        echo $ac_n "checking for icu-i18n >= 59.1""... $ac_c" 1>&6
-echo "configure:17594: checking for icu-i18n >= 59.1" >&5
+        echo $ac_n "checking for icu-i18n >= 58.2""... $ac_c" 1>&6
+echo "configure:17594: checking for icu-i18n >= 58.2" >&5

-        if $PKG_CONFIG --exists "icu-i18n >= 59.1" ; then
+        if $PKG_CONFIG --exists "icu-i18n >= 58.2" ; then
             echo "$ac_t""yes" 1>&6
             succeeded=yes

             echo $ac_n "checking MOZ_ICU_CFLAGS""... $ac_c" 1>&6
 echo "configure:17601: checking MOZ_ICU_CFLAGS" >&5
-            MOZ_ICU_CFLAGS=`$PKG_CONFIG --cflags "icu-i18n >= 59.1"`
+            MOZ_ICU_CFLAGS=`$PKG_CONFIG --cflags "icu-i18n >= 58.2"`
             echo "$ac_t""$MOZ_ICU_CFLAGS" 1>&6

             echo $ac_n "checking MOZ_ICU_LIBS""... $ac_c" 1>&6
 echo "configure:17606: checking MOZ_ICU_LIBS" >&5
             ## Remove evil flags like -Wl,--export-dynamic
-            MOZ_ICU_LIBS="`$PKG_CONFIG --libs \"icu-i18n >= 59.1\" |sed s/-Wl,--export-dynamic//g`"
+            MOZ_ICU_LIBS="`$PKG_CONFIG --libs \"icu-i18n >= 58.2\" |sed s/-Wl,--export-dynamic//g`"
             echo "$ac_t""$MOZ_ICU_LIBS" 1>&6
         else
             MOZ_ICU_CFLAGS=""
             MOZ_ICU_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
             ## do set a variable so people can do so.
-            MOZ_ICU_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "icu-i18n >= 59.1"`
+            MOZ_ICU_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "icu-i18n >= 58.2"`
             echo $MOZ_ICU_PKG_ERRORS
         fi

@@ -17627,7 +17627,7 @@
      :
   else
      if test "$COMPILE_ENVIRONMENT"; then
-       { echo "configure: error: Library requirements (icu-i18n >= 59.1) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." 1>&2; echo "configure: error: Library requirements (icu-i18n >= 59.1) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." 1>&5; exit 1; }
+       { echo "configure: error: Library requirements (icu-i18n >= 58.2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." 1>&2; echo "configure: error: Library requirements (icu-i18n >= 58.2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." 1>&5; exit 1; }
      fi
   fi

repo_name: ayhanyalcinsoy/main


code:
diff -Nuar a/toolkit/moz.configure b/toolkit/moz.configure
--- a/toolkit/moz.configure	2017-11-16 13:38:11.571875852 +0300
+++ b/toolkit/moz.configure	2017-11-16 13:35:29.679887533 +0300
@@ -618,7 +618,7 @@
 @imports('os')
 @imports('subprocess')
 def llvm_config_paths(host):
-    llvm_supported_versions = ['6.0', '5.0', '4.0', '3.9']
+    llvm_supported_versions = ['6.0', '5.0', '4.0', '3.9', '3.8']
     llvm_config_progs = []
     for version in llvm_supported_versions:
         llvm_config_progs += [
@@ -662,9 +662,9 @@

 with only_when(building_stylo_bindgen):
     option('--with-libclang-path', nargs=1,
-           help='Absolute path to a directory containing Clang/LLVM libraries for Stylo (version 3.9.x or above)')
+           help='Absolute path to a directory containing Clang/LLVM libraries for Stylo (version 3.8.x or above)')
     option('--with-clang-path', nargs=1,
-           help='Absolute path to a Clang binary for Stylo bindgen (version 3.9.x or above)')
+           help='Absolute path to a Clang binary for Stylo bindgen (version 3.8.x or above)')

     def invoke_llvm_config(llvm_config, *options):
         '''Invoke llvm_config with the given options and return the first line of
@@ -675,7 +675,7 @@
     @imports(_from='textwrap', _import='dedent')
     def check_minimum_llvm_config_version(llvm_config):
         version = Version(invoke_llvm_config(llvm_config, '--version'))
-        min_version = Version('3.9.0')
+        min_version = Version('3.8.0')
         if version < min_version:
             die(dedent('''\
             llvm installation {} is incompatible with Stylo bindgen.


code:
. $topsrcdir/browser/config/mozconfig
mk_add_options MOZ_MAKE_FLAGS="##JOBCOUNT##"

ac_add_options --prefix=/usr
ac_add_options --enable-release

ac_add_options --enable-official-branding

# System libraries
ac_add_options --with-system-nspr
ac_add_options --with-system-nss
ac_add_options --with-system-icu
ac_add_options --with-system-jpeg
ac_add_options --with-system-zlib
ac_add_options --with-system-bz2
#ac_add_options --with-system-libevent
ac_add_options --with-system-libvpx
ac_add_options --enable-system-hunspell
ac_add_options --enable-system-ffi
#ac_add_options --enable-system-pixman
ac_add_options --enable-system-sqlite
#ac_add_options --enable-gstreamer=1.0
#ac_add_options --disable-elf-hack

# Features
#ac_add_options --enable-application=browser
#ac_add_options --enable-alsa
#ac_add_options --enable-jack
ac_add_options --enable-startup-notification
ac_add_options --disable-updater
ac_add_options --disable-crashreporter
ac_add_options --disable-stylo

# New MP4, etc
#ac_add_options --disable-rust
ac_add_options --enable-rust-simd

ac_add_options --with-google-api-keyfile="%%PWD%%/%%FILE%%"
#ac_add_options --enable-safe-browsing

mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/build

path: network/web/firefox/files/mozconfig


code:
diff --git i/old-configure.in w/old-configure.in
index 0a06e470d2085922..d41c8e9d5dd2dbfb 100644
--- i/old-configure.in
+++ w/old-configure.in
@@ -2020,9 +2020,7 @@ if test -n "$_USE_SYSTEM_NSS"; then
     AM_PATH_NSS(3.31, [MOZ_SYSTEM_NSS=1], [AC_MSG_ERROR([you don't have NSS installed or your version is too old])])
 fi

-if test -n "$MOZ_SYSTEM_NSS"; then
-   NSS_LIBS="$NSS_LIBS -lcrmf"
-else
+if test -z "$MOZ_SYSTEM_NSS"; then
    NSS_CFLAGS="-I${DIST}/include/nss"
    case "${OS_ARCH}" in
         # Only few platforms have been tested with GYP


code:
diff --git i/security/nss/lib/freebl/mpi/mpi_x86.s w/security/nss/lib/freebl/mpi/mpi_x86.s
index 8f7e2130c3264754..b3ca1ce5b41b3771 100644
--- i/security/nss/lib/freebl/mpi/mpi_x86.s
+++ w/security/nss/lib/freebl/mpi/mpi_x86.s
@@ -22,22 +22,41 @@ is_sse: .long	-1
 #
 .ifndef NO_PIC
 .macro GET   var,reg
-    movl   \var@GOTOFF(%ebx),\reg
+    call   thunk.ax
+    addl   $_GLOBAL_OFFSET_TABLE_, %eax
+    movl   \var@GOTOFF(%eax),\reg
 .endm
 .macro PUT   reg,var
-    movl   \reg,\var@GOTOFF(%ebx)
+    call   thunk.dx
+    addl   $_GLOBAL_OFFSET_TABLE_, %edx
+    movl   \reg,\var@GOTOFF(%edx)
 .endm
 .else
 .macro GET   var,reg
     movl   \var,\reg
 .endm
 .macro PUT   reg,var
     movl   \reg,\var
 .endm
 .endif

 .text

+.ifndef NO_PIC
+.globl	thunk.ax
+.hidden	thunk.ax
+.type	thunk.ax, @function
+thunk.ax:
+       movl   (%esp),%eax
+       ret
+
+.globl	thunk.dx
+.hidden	thunk.dx
+.type	thunk.dx, @function
+thunk.dx:
+       movl   (%esp),%edx
+       ret
+.endif

  #  ebp - 36:	caller's esi
  #  ebp - 32:	caller's edi


code:
// For details look at http://kb.mozillazine.org/Category:Preferences

//pref("network.protocol-handler.app.callto", "skype");
//pref("network.protocol-handler.app.lastfm","lastfm");
//pref("network.protocol-handler.app.mailto", "kmail-firefox");
//pref("network.protocol-handler.app.mms", "kaffeine");
//pref("network.protocol-handler.expose.callto", true);
//pref("network.protocol-handler.expose.lastfm", true);
//pref("network.protocol-handler.expose.mailto", true);
//pref("network.protocol-handler.expose.mms", true);

pref("browser.EULA.override", true);
pref("browser.backspace_action", 0);
pref("browser.display.screen_resolution", 0);
pref("browser.display.show_image_placeholders", false);
pref("browser.display.use_document_fonts", 1);
pref("browser.link.open_external", 3);
pref("browser.startup.homepage_override.mstone", "ignore");
pref("browser.startup.page", 1);
pref("browser.startup.homepage", "chrome://browserconfig.properties");
pref("browser.tabs.autoHide", false);
pref("browser.shell.checkDefaultBrowser", false);
pref("browser.throbber.url", "chrome://browserconfig.properties");
pref("general.autoScroll", true);
pref("general.smoothScroll", false);
pref("general.useragent.vendor", "Pisi Linux");
pref("general.useragent.vendorSub", "2011");
pref("middlemouse.contentLoadURL", false);
pref("spellchecker.dictionary", "tr-TR");
pref("startup.homepage_override_url", "chrome://browserconfig.properties");
pref("intl.locale.matchOS", true);
pref("media.peerconnection.enabled", true);

// Disable addon check UI, starting from release 8.0
pref("dom.ipc.plugins.enabled.nswrapper*",  false);
pref("extensions.shownSelectionUI",         true);
pref("extensions.autoDisableScope",         0);

pref("font.default.null", "sans-serif");
pref("font.default.tr", "sans-serif");
pref("font.default.x-unicode", "sans-serif");
pref("font.default.x-western", "sans-serif");
pref("font.minimum-size.null", 10);
pref("font.minimum-size.tr", 10);
pref("font.minimum-size.x-central-euro", 10);
pref("font.minimum-size.x-unicode", 10);
pref("font.minimum-size.x-user-def", 10);
pref("font.minimum-size.x-western", 10);
pref("font.size.fixed.null", 15);
pref("font.size.variable.null", 15);
pref("font.size.variable.tr", 15);
pref("font.size.variable.x-unicode", 15);
pref("font.size.variable.x-user-def", 15);
pref("font.size.variable.x-western", 15);
pref("font.name.monospace.null", "DejaVu Sans Mono");
pref("font.name.monospace.tr", "DejaVu Sans Mono");
pref("font.name.monospace.x-central-euro", "DejaVu Sans Mono");
pref("font.name.monospace.x-unicode", "DejaVu Sans Mono");
pref("font.name.monospace.x-user-def", "DejaVu Sans Mono");
pref("font.name.monospace.x-western", "DejaVu Sans Mono");
pref("font.name.sans-serif.null", "DejaVu Sans");
pref("font.name.sans-serif.tr", "DejaVu Sans");
pref("font.name.sans-serif.x-central-euro", "DejaVu Sans");
pref("font.name.sans-serif.x-unicode", "DejaVu Sans");
pref("font.name.sans-serif.x-user-def", "DejaVu Sans");
pref("font.name.sans-serif.x-western", "DejaVu Sans");
pref("font.name.serif.null", "DejaVu Serif");


code:
// Use LANG environment variable to choose locale
pref("intl.locale.matchOS", true);

// Disable default browser checking.
pref("browser.shell.checkDefaultBrowser", false);

// Don't disable our bundled extensions in the application directory
pref("extensions.autoDisableScopes", 11);
pref("extensions.shownSelectionUI", true);


code:
[Desktop Entry]
Encoding=UTF-8
Name=Firefox
GenericName=Web Browser
GenericName[ca]=Navegador web
GenericName[cs]=Webový prohlížeč
GenericName[de]=Webbrowser
GenericName[es]=Navegador web
GenericName[fa]=مرورگر اینترنتی
GenericName[fi]=WWW-selain
GenericName[fr]=Navigateur Web
GenericName[hu]=Webböngésző
GenericName[it]=Browser Web
GenericName[ja]=ウェブ・ブラウザ
GenericName[ko]=웹 브라우저
GenericName[nb]=Nettleser
GenericName[nl]=Webbrowser
GenericName[nn]=Nettlesar
GenericName[no]=Nettleser
GenericName[pl]=Przeglądarka WWW
GenericName[pt]=Navegador Web
GenericName[pt_BR]=Navegador Web
GenericName[sk]=Internetový prehliadač
GenericName[sv]=Webbläsare
GenericName[tr]=Web Tarayıcı
GenericName[zh_CN]=万维网浏览器
GenericName[zh_TW]=網頁瀏覽器
Comment=Browse the Web
Comment[ca]=Navegueu per el web
Comment[cs]=Prohlížení stránek World Wide Webu
Comment[de]=Im Internet surfen
Comment[es]=Navegue por la web
Comment[fa]=صفحات شبکه جهانی اینترنت را مرور نمایید
Comment[fi]=Selaa Internetin WWW-sivuja
Comment[fr]=Navigue sur Internet
Comment[hu]=A világháló böngészése
Comment[it]=Esplora il web
Comment[ja]=ウェブを閲覧します
Comment[ko]=웹을 돌아 다닙니다
Comment[nb]=Surf på nettet
Comment[nl]=Verken het internet
Comment[nn]=Surf på nettet
Comment[no]=Surf på nettet
Comment[pl]=Przeglądanie stron WWW
Comment[pt]=Navegue na Internet
Comment[pt_BR]=Navegue na Internet
Comment[sk]=Prehliadanie internetu
Comment[sv]=Surfa på webben
Comment[tr]=İnternette gezintiye çıkın
Exec=/usr/lib/firefox/firefox %u
Icon=/usr/share/pixmaps/firefox.png
Terminal=false
Type=Application
StartupNotify=true
MimeType=text/html;text/xml;application/xhtml+xml;application/vnd.mozilla.xul+xml;text/mml;application/x-xpinstall;
Categories=Application;Network;


code:
# HG changeset patch
# User Jan Steffens <jan.steffens@gmail.com>
# Date 1505475854 -7200
# Node ID 3cd2263687293a229277037090add3bea2531057
# Parent  70f5f23a429f3d621e44307c191fa84c77fb2f61
Bug 1400175 - Stub gdk_screen_get_monitor_workarea in mozgtk2; r?karlt

MozReview-Commit-ID: 72K6U17JuoK

diff --git a/widget/gtk/mozgtk/mozgtk.c b/widget/gtk/mozgtk/mozgtk.c
--- a/widget/gtk/mozgtk/mozgtk.c
+++ b/widget/gtk/mozgtk/mozgtk.c
@@ -56,17 +56,16 @@
 STUB(gdk_screen_get_default)
 STUB(gdk_screen_get_display)
 STUB(gdk_screen_get_font_options)
 STUB(gdk_screen_get_height)
 STUB(gdk_screen_get_height_mm)
 STUB(gdk_screen_get_n_monitors)
 STUB(gdk_screen_get_monitor_at_window)
 STUB(gdk_screen_get_monitor_geometry)
-STUB(gdk_screen_get_monitor_workarea)
 STUB(gdk_screen_get_monitor_height_mm)
 STUB(gdk_screen_get_number)
 STUB(gdk_screen_get_resolution)
 STUB(gdk_screen_get_rgba_visual)
 STUB(gdk_screen_get_root_window)
 STUB(gdk_screen_get_system_visual)
 STUB(gdk_screen_get_width)
 STUB(gdk_screen_height)
@@ -514,16 +513,17 @@
 #ifdef GTK3_SYMBOLS
 STUB(gdk_device_get_source)
 STUB(gdk_device_manager_get_client_pointer)
 STUB(gdk_disable_multidevice)
 STUB(gdk_device_manager_list_devices)
 STUB(gdk_display_get_device_manager)
 STUB(gdk_error_trap_pop_ignored)
 STUB(gdk_event_get_source_device)
+STUB(gdk_screen_get_monitor_workarea)
 STUB(gdk_window_get_type)
 STUB(gdk_window_get_window_type)
 STUB(gdk_x11_window_get_xid)
 STUB(gdk_x11_display_get_type)
 STUB(gdk_wayland_display_get_type)
 STUB(gtk_box_new)
 STUB(gtk_cairo_should_draw_window)
 STUB(gtk_cairo_transform_to_window)


code:
--- a/toolkit/modules/CertUtils.jsm
+++ b/toolkit/modules/CertUtils.jsm
@@ -170,17 +170,19 @@ this.checkCert =
   issuerCert = issuerCert.QueryInterface(Ci.nsIX509Cert3);
   var tokenNames = issuerCert.getAllTokenNames({});

   if (!tokenNames || !tokenNames.some(isBuiltinToken))
     throw new Ce(certNotBuiltInErr, Cr.NS_ERROR_ABORT);
 }

 function isBuiltinToken(tokenName) {
-  return tokenName == "Builtin Object Token";
+  return tokenName == "Builtin Object Token" ||
+         tokenName == "Default Trust" ||
+         tokenName == "System Trust";
 }

 /**
  * This class implements nsIBadCertListener.  Its job is to prevent "bad cert"
  * security dialogs from being shown to the user.  It is better to simply fail
  * if the certificate is bad. See bug 304286.
  *
  * @param  aAllowNonBuiltInCerts (optional)


code:
diff -Nuar a/build/moz.configure/rust.configure b/build/moz.configure/rust.configure
--- a/build/moz.configure/rust.configure	2018-01-11 23:16:54.000000000 +0300
+++ b/build/moz.configure/rust.configure	2018-01-20 11:41:47.109584234 +0300
@@ -58,7 +58,7 @@
         You can install rust by running './mach bootstrap'
         or by directly running the installer from https://rustup.rs/
         '''))
-    rustc_min_version = Version('1.21.0')
+    rustc_min_version = Version('1.20.0')
     cargo_min_version = Version('0.{}'.format(rustc_min_version.minor + 1))

     version = rustc_info.version


code:
--- a/build/autoconf/icu.m4
+++ b/build/autoconf/icu.m4
@@ -64,17 +64,17 @@ if test -n "$USE_ICU"; then
     icudir="$_topsrcdir/intl/icu/source"
     if test ! -d "$icudir"; then
         icudir="$_topsrcdir/../../intl/icu/source"
         if test ! -d "$icudir"; then
             AC_MSG_ERROR([Cannot find the ICU directory])
         fi
     fi

-    version=`sed -n 's/^[[:space:]]*#[[:space:]]*define[[:space:]][[:space:]]*U_ICU_VERSION_MAJOR_NUM[[:space:]][[:space:]]*\([0-9][0-9]*\)[[:space:]]*$/\1/p' "$icudir/common/unicode/uvernum.h"`
+    version=`sed -n 's/^[[[:space:]]]*#[[:space:]]*define[[:space:]][[:space:]]*U_ICU_VERSION_MAJOR_NUM[[:space:]][[:space:]]*\([0-9][0-9]*\)[[:space:]]*$/\1/p' "$icudir/common/unicode/uvernum.h"`
     if test x"$version" = x; then
        AC_MSG_ERROR([cannot determine icu version number from uvernum.h header file $lineno])
     fi
     MOZ_ICU_VERSION="$version"

     # TODO: the l is actually endian-dependent
     # We could make this set as 'l' or 'b' for little or big, respectively,
     # but we'd need to check in a big-endian version of the file.