Revert of Make the compositing assert disabler for paint invalidation more targeted.

Revert of Make the compositing assert disabler for paint invalidation more targeted. (patchset #4 of https://codereview.chromium.org/506553004/)

Reason for revert:
This seems to be asserting in many PPAPI tests. For example:
http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=@ToT%20Blink&tests=OutOfProcessPPAPITest.FlashFullscreen&testType=browser_tests

Original issue's description:
> Make the compositing assert disabler for paint invalidation more targeted.
> 
> BUG=360286
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=180997

TBR=abarth@chromium.org,chrishtr@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=360286
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=181025

[mlamouri (slow - plz ping), 2014-08-28 10:43:25]

Created Revert of Make the compositing assert disabler for paint invalidation
more targeted.

[commit-bot: I haz the power, 2014-08-28 10:44:35]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mlamouri@chromium.org/516603003/1

[commit-bot: I haz the power, 2014-08-28 10:45:07]

Committed patchset #1 (id:1) as 181025