Makes instant not supress infobars. As part of this I'm removing unnecessary overrides in instant's TabContentsDelegate implementation.
Makes instant not supress infobars. As part of this I'm removing
unnecessary overrides in instant's TabContentsDelegate implementation.

BUG=68540
TEST=see bug

Review URL: http://codereview.chromium.org/6152001

git-svn-id: http://src.chromium.org/svn/trunk/src@70739 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: fcbd71848762bf38b34621a3eb49eb09f109b12b
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