Add Chrome Frame test for large page rendering. This is designed to ensure that large pages load correctly in their entirety which should help catch bugs like crbug.com/178421.

Also fix access violation in code used by tests to shut down IE. 

BUG=178421
TEST=chrome_frame_tests.exe


Review URL: https://chromiumcodereview.appspot.com/12310162

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@185260 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed