Gtk: try to make sure that the extension error dialog has enough room to show its title.
Gtk: try to make sure that the extension error dialog has enough room to show its title.

Of course, many window managers don't show the title at all, don't let you control the size of the window, or will have window decorations that make this technique not work; so this is really only designed to work on gnome metacity/compiz.

BUG=35468
TEST=manual


Review URL: http://codereview.chromium.org/646047

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@39479 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser