Revert of Avoid rendering using GL in case damage rect is composited by overlay

Revert of Avoid rendering using GL in case damage rect is composited by overlay (patchset #4 id:60001 of https://codereview.chromium.org/1413763013/ )

Reason for revert:
This conflicts with reverting
https://codereview.chromium.org/1330563004
Which broke YouTube on Mac
BUG=549350
Original issue's description:
> Avoid rendering using GL in case damage rect is composited by overlay
>
> We can avoid drawing using GL if the damage rect is entirely
> composited by using overlays.
>
> BUG=370522
> CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
>
> Committed: https://crrev.com/7c024b25d977484b627b63bff9f85e5b5e382b9e
> Cr-Commit-Position: refs/heads/master@{#356844}

TBR=piman@chromium.org,kalyan.kondapally@intel.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=370522
Committed: https://crrev.com/e6f555ea4ea574dfd491690e07f9a79ac3a9f591
Cr-Commit-Position: refs/heads/master@{#357221}

[ccameron, 2015-10-30 23:26:08]

Created Revert of Avoid rendering using GL in case damage rect is composited by
overlay

[commit-bot: I haz the power, 2015-10-30 23:27:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1422423003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1422423003/1

[commit-bot: I haz the power, 2015-10-30 23:29:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-30 23:30:00]

Patchset 1 (id:??) landed as
https://crrev.com/e6f555ea4ea574dfd491690e07f9a79ac3a9f591
Cr-Commit-Position: refs/heads/master@{#357221}