Theme reset fixes.
Theme reset fixes.

BUG=16669
TEST=Make sure that resetting your theme to the default on Aero Glass causes you to see a black frame.

Review URL: http://codereview.chromium.org/159332

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@21590 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