Revert of Revert of Remove remaining displayInvalidatedRegion callers (https://codereview.chromium.org/225013004/)

Reason for revert:
Revert was not necessary. DEPS bots were failing due to poorly coordinated shell / tests changes upstream.

Original issue's description:
> Revert of Remove remaining displayInvalidatedRegion callers (https://codereview.chromium.org/223903005/)
> 
> Reason for revert:
> inspector/timeline/timeline-paint.html fails after conversion: http://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20%28deps%29/builds/27946
> 
> Original issue's description:
> > Remove remaining displayInvalidatedRegion callers
> > 
> > These two tests are just using it to force display and don't have pixel
> > results, so they can just be converted.
> > 
> > R=ojan@chromium.org
> > BUG=345027
> > 
> > Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=170794
> 
> TBR=ojan@chromium.org,enne@chromium.org
> NOTREECHECKS=true
> NOTRY=true
> BUG=345027
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=170819

TBR=ojan@chromium.org,enne@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=345027

Review URL: https://codereview.chromium.org/225063003

git-svn-id: svn://svn.chromium.org/blink/trunk@170832 bbb929c8-8fbe-4397-9dbb-9b2b20218538