Roll src/third_party/skia/ 3250a487e..6e64f3089 (2 commits)

https://skia.googlesource.com/skia.git/+log/3250a487ea97..6e64f3089104

$ git log 3250a487e..6e64f3089 --date=short --no-merges --format='%ad %ae %s'
2017-12-12 caryclark fix running on linux
2017-12-12 kjlubick Fix scaling logic for NexusPlayer and AndroidOne

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=liyuqian@chromium.org

Change-Id: Icaaab33d03fafc47914d0444ba798a8a9c2da49b
Reviewed-on: https://chromium-review.googlesource.com/822175Reviewed-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@{#523472}

DEPS

@@ -74,7 +74,7 @@ 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': '3250a487ea978ecabcc7b32c5bd1eb3c0581b7ad',
+  'skia_revision': '6e64f308910493b4327f7b8aadd7f4aabf3a9601',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.