cc: Add test for TiledLayerImpl mask with no resource

BUG=165723

Review URL: https://codereview.chromium.org/137853021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245406 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245406