GitLab

Removes the gfx_unittests target from various .gyp files in favor of
ui_unittests.  This can be landed once the master builders are restarted with
the change: https://chromiumcodereview.appspot.com/10778013

TEST=None
BUG=133864
R=tony@chromium.org, hbono@chromium.org, petermayo@chromium.org
TBR=ben@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10778019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149633 0039d316-1c4b-4281-b951-d872f2087c98