[Linux]Fix a redraw issue when expanding a GtkChromeShrinkableHBox.
[Linux]Fix a redraw issue when expanding a GtkChromeShrinkableHBox.

BUG=44379 gtk_chrome_shrinkable_hbox may redraw children with incorrect size allocation.
TEST=see bug report.

Review URL: http://codereview.chromium.org/2120005

git-svn-id: http://src.chromium.org/svn/trunk/src@47439 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8ae6e1abd2f362570e573e5b9e3e5c556eba2f9d
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser