Gtk: don't occlude find bar with animating infobar.
Gtk: don't occlude find bar with animating infobar.

BUG=none
TEST=type g in location bar, press ctrl+f, wait for did you mean infobar. it should be below the findbar.

Review URL: http://codereview.chromium.org/418005

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@32645 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