Another attempt at disabling the GCM API test from running on windows.

BUG=324982

Review URL: https://codereview.chromium.org/105263002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238782 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238782
Mojo: (POSIX) Test that MultiprocessTestBase passes the channel correctly.

(At a low level, i.e., the FD to the Unix domain socket.)

R=darin@chromium.org, darin

Review URL: https://codereview.chromium.org/103443002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238784 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238784