GTTF: enable brave new test launcher for chrome_frame_tests and chrome_frame_unittests

This is still behind --brave-new-test-launcher command-line flag.

BUG=236893
R=erikwright@chromium.org

Review URL: https://codereview.chromium.org/86773003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237621 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237621