Roll src/third_party/skia/ f40ae1a4b..712fe73ca (1 commit)

https://skia.googlesource.com/skia.git/+log/f40ae1a4b536..712fe73cafb8

$ git log f40ae1a4b..712fe73ca --date=short --no-merges --format='%ad %ae %s'
2017-09-25 jvanverth Add animated cowboy sample from WebKit tests, and fix.

Created with:
  roll-dep src/third_party/skia


Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls


CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=jvanverth@chromium.org

Change-Id: I9424d18497cbd74d5c14963bbf7082aa7b976b32
Reviewed-on: https://chromium-review.googlesource.com/683223Reviewed-by: Skia Deps Roller <skia-deps-roller@chromium.org>
Commit-Queue: Skia Deps Roller <skia-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#504218}

DEPS

@@ -45,7 +45,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'f40ae1a4b5365620463bd63b5140bd3fc78894a1',
+  'skia_revision': '712fe73cafb824f0d30a57ab0301afce52d1dc49',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.