Disables ChromeFrameTestWithWebServer.WidgetModeIE_ObjectFocus

BUG=308847
TEST=none
R=grt@chromium.org
TBR=grt@chromium.org

Review URL: https://codereview.chromium.org/29863002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229469 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229469