Roll src/third_party/skia/ 8c4cbf4cf..0c51eeada (1 commit)

https://skia.googlesource.com/skia.git/+log/8c4cbf4cfb6d..0c51eeada6a9

$ git log 8c4cbf4cf..0c51eeada --date=short --no-merges --format='%ad %ae %s'
2018-03-09 bsalomon Add GrMockRenderTarget and mock backend render targets

Created with:
  roll-dep src/third_party/skia


The AutoRoll server is located here: https://autoroll.skia.org

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


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
TBR=fmalita@chromium.org

Change-Id: I9ff039a3a2f7441ebe9d70ad8f5e365356bace5f
Reviewed-on: https://chromium-review.googlesource.com/957965
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#542341}

DEPS

@@ -79,7 +79,7 @@ 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': '8c4cbf4cfb6d9236dfd69273bff7e8384744c29a',
+  'skia_revision': '0c51eeada6a91b03a91a17e94d0afea6331709d9',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.