diff --git a/third_party/WebKit/Source/platform/graphics/paint/DisplayItemList.cpp
index f338a95..cde934f 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/DisplayItemList.cpp
+++ b/third_party/WebKit/Source/platform/graphics/paint/DisplayItemList.cpp
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/compiler_specific.h"
 #include "platform/graphics/paint/DisplayItemList.h"
 
 #include "platform/graphics/LoggingCanvas.h"
@@ -49,6 +50,7 @@
     json->SetInteger("index", i);
 
     bool show_client_debug_name = options & kShowClientDebugName;
+    ALLOW_UNUSED_LOCAL(show_client_debug_name);
 #if DCHECK_IS_ON()
     if (display_item.HasValidClient()) {
       if (display_item.Client().IsAlive())

Add patch for unused local var in DisplayItemList.cpp
Add patch for unused local var in DisplayItemList.cpp
