Roll src/third_party/skia/ c90bc40fd..8792e523d (9 commits).

Roll src/third_party/skia/ c90bc40fd..8792e523d (9 commits).

https://chromium.googlesource.com/skia.git/+log/c90bc40fdd7f..8792e523dcb5

$ git log c90bc40fd..8792e523d --date=short --no-merges --format='%ad %ae %s'
2016-07-11 halcanary tools/fiddle: remove unused fiddler.go
2016-07-11 msarett Revert of try to speed-up maprect + round2i + contains (patchset #8 id:140001 of https://codereview.chromium.org/2133413002/ )
2016-07-11 msarett Revert of Fix compile error on MSAN bot (patchset #1 id:1 of https://codereview.chromium.org/2142653002/ )
2016-07-11 msarett Fix compile error on MSAN bot
2016-07-11 csmartdalton Pre-crop filled rects to avoid scissor
2016-07-11 halcanary tools/SkShaper: factor shaping out of using_skia_and_harfbuzz
2016-07-11 jbroman Handle negative scale in SkDropShadowImageFilter::onFilterNodeBounds.
2016-07-11 reed try to speed-up maprect + round2i + contains
2016-07-11 mtklein hacking on a single-benchmark tool

BUG=600821
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_blink_rel
TBR=msarett@google.com

[skia-deps-roller, 2016-07-12 11:27:20]

The CQ bit was checked by skia-deps-roller@chromium.org

[commit-bot: I haz the power, 2016-07-12 11:27:50]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-12 12:07:54]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-07-12 12:07:55]

Try jobs failed on following builders:
  win_chromium_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[skia-deps-roller, 2016-07-12 12:08:48]

Commit queue failed; closing this roll.