Add support for composite to mailbox.

Compositor frame plumbing was already in place for ubercomp support. This patch refactors existing texture image transport surface code to handle swaps from composite-to-mailbox.

BUG=244863

Review URL: https://chromiumcodereview.appspot.com/16671002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205412 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed