GitLab

This change reverts necessary changes in patch
http://crrev.com/413983002 which was needed to successfully rename
WebAnimation to WebCompositorAnimation.

This is the patch 4 of 4 and follows on from http://crrev.com/412123002 

BUG=396358

Review URL: https://codereview.chromium.org/421503002

Cr-Commit-Position: refs/heads/master@{#290729}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@290729 0039d316-1c4b-4281-b951-d872f2087c98