Add missing gfx_unittests entries to all.gyp.

That should fix the Mac 64 tester redness in
(http://build.chromium.org/p/chromium.fyi/builders/Chromium%20Mac%2010.8%20x64%20tester%20(experimental)
 ) because it wasn't finding the gfx_unittests binary.

BUG=331829
TEST=None
R=avi@chromium.org,thakis@chromium.org

Review URL: https://codereview.chromium.org/143493004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248116 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248116
Password manager now ignores autocomplete='off' by default; user may specify a flag that says otherwise.

NOTRY=true
BUG=177288

Review URL: https://codereview.chromium.org/146023002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248117 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248117