Roll src/third_party/skia/ d34edf3dc..cb15b5e72 (1 commit; 1 trivial rolls)

https://skia.googlesource.com/skia.git/+log/d34edf3dc902..cb15b5e7264e

$ git log d34edf3dc..cb15b5e72 --date=short --no-merges --format='%ad %ae %s'

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=brianosman@chromium.org

Change-Id: I78568836daa28e8705ccf6096fe2616a03864d63
Reviewed-on: https://chromium-review.googlesource.com/510289Reviewed-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@{#473475}

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': 'd34edf3dc902532f88842f35375c474f94f82d83',
+  'skia_revision': 'cb15b5e7264eb05b0c70f03bc54ef1df900db078',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.