this patch is for small refactoring the code by
using existing function which has the same purpose.
(FreeResourcesForTileAndNotifyClientIfTileWasReadyToDraw)
Bug=None
TEST=cc_unittests
Review URL: https://codereview.chromium.org/471633002
Cr-Commit-Position: refs/heads/master@{#289876}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289876 0039d316-1c4b-4281-b951-d872f2087c98