Add GrabWindowSnapshot method to mac_util class, and a unit test.

BUG= none
TEST= none
Review URL: http://codereview.chromium.org/333018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30199 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 8b386cede11a8a5c907b5a75271c7edee12f1774
1 file changed
tree: b32eb22da0928c0051fe3c24cf5a867f36efe447
  1. base/
  2. build/
  3. ipc/
  4. testing/