Roll src/third_party/skia/ e027e1947..6fccc50a4 (4 commits)

https://skia.googlesource.com/skia.git/+log/e027e19477f8..6fccc50a4a6f

$ git log e027e1947..6fccc50a4 --date=short --no-merges --format='%ad %ae %s'
2018-03-13 angle-skia-autoroll Roll skia/third_party/externals/angle2/ f0b30dd8b..690c8eb7f (4 commits)
2018-03-13 bungeman Compile with GCC 7.2.0.
2018-03-13 fmalita Harden initial LinearGradient4f tiling
2018-03-13 benjaminwagner Add Win Clang x86 builds.

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=stephana@chromium.org

Change-Id: Ie96ff36dcbaf0e1739dcdad2c10ca941ba5048b9
Reviewed-on: https://chromium-review.googlesource.com/961583Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#542973}

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': 'e027e19477f8ad10ae3f26ea996c1bff350d89f3',
+  'skia_revision': '6fccc50a4a6f6f094abdb7fd5a0f927e2240bde6',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.