Revert 229320 "Disable ChromeFrameTestWithWebServer.WidgetModeIE..."

The revert of r229285 at r229410 shoud resolve this for now.

> Disable ChromeFrameTestWithWebServer.WidgetModeIE_ObjectFocus. It regressed in [229275:229286]
> 
> BUG=308847
> 
> Review URL: https://codereview.chromium.org/28223004

TBR=pfeldman@chromium.org

Review URL: https://codereview.chromium.org/29313002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229427 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229427