cc: Fix impl-side painting invalidation.

Need to call base class setNeedsDisplayRect function to properly
trigger update when needed.

BUG=155209
TEST=manual

Review URL: https://codereview.chromium.org/11414233

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170335 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed