Revert of Revert of Fix SkTileImageFilter clipping/cropRect interaction issue

Revert of Revert of Fix SkTileImageFilter clipping/cropRect interaction issue (patchset #1 id:1 of https://codereview.chromium.org/1219193002/)

Reason for revert:
Blocking the roll

Original issue's description:
> Revert of Fix SkTileImageFilter clipping/cropRect interaction issue (patchset #2 id:30001 of https://codereview.chromium.org/1210053003/)
> 
> Reason for revert:
> Perf regression: https://code.google.com/p/chromium/issues/detail?id=505564
> 
> Original issue's description:
> > Fix SkTileImageFilter clipping/cropRect interaction issue
> > 
> > BUG=499499
> > 
> > Committed: https://skia.googlesource.com/skia/+/157bcd0840b578060dbc3365daafffc6837da391
> 
> TBR=reed@google.com,senorblanco@google.com,senorblanco@chromium.org,robertphillips@google.com
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=499499
> 
> Committed: https://skia.googlesource.com/skia/+/ebaf6a69bf604c85185e23aca3fb93308e747ff5

TBR=reed@google.com,senorblanco@google.com,senorblanco@chromium.org,robertphillips@google.com,reed@chromium.org,bsalomon@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=499499
Committed: https://skia.googlesource.com/skia/+/835510085062f055c04d8ea46d82831cfbe51793

[jvanverth1, 2015-07-03 12:48:41]

Created Revert of Revert of Fix SkTileImageFilter clipping/cropRect interaction
issue

[commit-bot: I haz the power, 2015-07-03 12:48:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1207353004/1

[commit-bot: I haz the power, 2015-07-03 12:48:57]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/835510085062f055c04d8ea46d82831cfbe51793

[robertphillips, 2015-07-06 14:58:58]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1217303004/ by robertphillips@google.com.

The reason for reverting is: Still want to disable due to pref regression.