Roll src/third_party/skia/ 7f583c933..cefc1b974 (5 commits)

https://skia.googlesource.com/skia.git/+log/7f583c933032..cefc1b97405d

$ git log 7f583c933..cefc1b974 --date=short --no-merges --format='%ad %ae %s'
2018-02-19 fmalita Pass Viewer touch events to slides
2018-02-15 egdaniel Change createWrappedTextureProxy for render targets to use lazy proxies.
2018-02-20 kjlubick Remove XSAN blacklist
2018-02-16 mtklein loop over all color and alpha types
2018-02-20 borenet [recipes] More hackery to work around old depot_tools

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=djsollen@chromium.org

Change-Id: I8ffa51ad11abaeb10384a480126867363f02f8e6
Reviewed-on: https://chromium-review.googlesource.com/926562
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@{#537795}

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': '7f583c933032fe3218299ec7ca950f100d558c70',
+  'skia_revision': 'cefc1b97405d7bad2c621987394fc2d0c6300887',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.