Revert 237729 "Enable TabCaptureApiTests.GrantForChromePages on ..."

> Enable TabCaptureApiTests.GrantForChromePages on windows.
> I think it should work better now that we're on Aura.
> 
> BUG=177163,294431
> 
> Review URL: https://codereview.chromium.org/92933002

TBR=hubbe@chromium.org

Review URL: https://codereview.chromium.org/94323002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237747 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237747