Suppress cc_unittests leaks

Not reverting because we were blind to these leaks before.

TBR=earthdok,enne,vmpstr

BUG=317752, 317965, 317966, 317969, 317970

Review URL: https://codereview.chromium.org/62493010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234369 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234369