Revert of Fix SkTileImageFilter clipping/cropRect interaction issue (patchset #2...

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

Review URL: https://codereview.chromium.org/1219193002