Roll src/third_party/skia/ 79a3aafc3..adf17dc52 (2 commits)

https://skia.googlesource.com/skia.git/+log/79a3aafc34c1..adf17dc52ff4

$ git log 79a3aafc3..adf17dc52 --date=short --no-merges --format='%ad %ae %s'
2017-09-12 benjaminwagner Add new task to run the float-cast-overflow sanitizer.
2017-09-12 benjaminwagner Update omitted Bazel tests.

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=stephana@chromium.org

Change-Id: Icd0ee233ba899f52d79400561d9e67925fa7bffa
Reviewed-on: https://chromium-review.googlesource.com/664307Reviewed-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@{#501561}

DEPS

@@ -40,7 +40,7 @@ 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': '79a3aafc34c1a1b561f9fbb415b12cb1ff4772dd',
+  'skia_revision': 'adf17dc52ff4b56720174f71a3e9507a682f8487',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.