Roll src/third_party/skia/ b6f702595..be84b720c (9 commits)

https://skia.googlesource.com/skia.git/+log/b6f7025955d6..be84b720c778

$ git log b6f702595..be84b720c --date=short --no-merges --format='%ad %ae %s'
2018-01-25 angle-skia-autoroll Roll skia/third_party/externals/angle2/ 68981eb56..2e551f6bc (1 commit)
2018-01-24 reed compose and combine maskfilters
2018-01-24 scroggo Remove unused field/methods
2018-01-24 fmalita [skottie] Cache the last keyframe
2018-01-24 stani Revert "Increase depth threshold for SkClipStack::isRRect."
2018-01-24 fmalita [skottie] Animator scrubbing
2018-01-24 benjaminwagner [bazel] Add third_party to skia_all_hdrs
2018-01-24 angle-skia-autoroll Roll skia/third_party/externals/angle2/ 01b21b194..68981eb56 (2 commits)
2018-01-09 mtklein Start of cross process SkScalerContext.

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=robertphillips@chromium.org

Change-Id: I838b444c69bf53a668abe9cf1fb54b2e79ef7256
Reviewed-on: https://chromium-review.googlesource.com/885861Reviewed-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@{#531845}

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': 'b6f7025955d65ab2e98995f26cac1d7ef1ba1e91',
+  'skia_revision': 'be84b720c778fbf2d00a1afb0949349ee7378be4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.