gtk: Notify the TabContents when the browser window has been moved or resized.  This is used to close the AutoFill popup in the renderer.
gtk: Notify the TabContents when the browser window has been moved or resized.  This is used to close the AutoFill popup in the renderer.

BUG=31865
TEST=none
Review URL: http://codereview.chromium.org/805006

git-svn-id: http://src.chromium.org/svn/trunk/src@41230 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 037c7ebe9b8ab2ca9659211e177c257ff2be706e
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