Fix for an issue we were seeing with wave. After switching over to using the onhttpequiv notification from  mshtml we can expect to see sub frames being created even before the owning document has completed loading.  In particular frames whose  source is about:blank.
Fix for an issue we were seeing with wave.
After switching over to using the onhttpequiv notification from
 mshtml we can expect to see sub frames being created even before the owning document has completed loading.  In particular frames whose
 source is about:blank.


TEST=Google Wave should work.
BUG=32904


Review URL: http://codereview.chromium.org/543180

git-svn-id: http://src.chromium.org/svn/trunk/src@36945 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6d4c7ed4e36d550f3feb36cb6127e613b7111853
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