Don't switch to CF's active document for frames or iframes.This fixes an issue where a page that uses CF would be loaded in an IFRAME on Google Images.Instead of attempting to load CF (not supported), we now defer to the host browser.  Previously a blank page was displayed.TEST=Run new unit tests: FullTabModeIE_SubIFrame and FullTabModeIE_SubFrameBUG=22989
Review URL: http://codereview.chromium.org/343086

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30782 0039d316-1c4b-4281-b951-d872f2087c98
8 files changed