Revert of Mac Overlays: Clip display and UV rects

Revert of Mac Overlays: Clip display and UV rects (patchset #1 id:1 of https://codereview.chromium.org/1381603003/ )

Reason for revert:
Breaks compile.

Original issue's description:
> Mac Overlays: Clip display and UV rects
> 
> Make the Mac-specific sandwich strategy apply clipping to the display
> rectangle. Apply the same relative clipping to the uv rectangle.
> 
> Add unit tests, and move code around to improve readability.
> 
> BUG=536854
> CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
> 
> Review URL: https://codereview.chromium.org/1370363002
> 
> Cr-Commit-Position: refs/heads/master@{#351312}
> (cherry picked from commit e790d9f582a00168faf0aa81f6fe5477848bec2b)
> 
> Committed: https://chromium.googlesource.com/chromium/src/+/21a4f7e7e56823e74997fb64b57a80bc619506be

TBR=
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=536854

[ccameron, 2015-10-01 22:07:24]

Created Revert of Mac Overlays: Clip display and UV rects

[commit-bot: I haz the power, 2015-10-01 22:07:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1384583003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1384583003/1

[commit-bot: I haz the power, 2015-10-01 22:10:02]

Committed patchset #1 (id:1)