Roll src/third_party/skia 6ed63968a391..4eac21fee047 (4 commits)

https://skia.googlesource.com/skia.git/+log/6ed63968a391..4eac21fee047


git log 6ed63968a391..4eac21fee047 --date=short --no-merges --format='%ad %ae %s'
2018-08-10 swiftshader-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com Roll third_party/externals/swiftshader d7622ffdd25e..dd662d210afc (1 commits)
2018-08-10 bungeman@google.com Subpixel in Viewer from -1 to 1.
2018-08-10 angle-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com Roll third_party/externals/angle2 9b6a3f926032..04c084dd3cf4 (1 commits)
2018-08-10 herb@google.com Rename GrTextUtils::Target to GrTextTarget


Created with:
  gclient setdep -r src/third_party/skia@4eac21fee047

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;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=djsollen@chromium.org

Change-Id: Ifd7584067a7fd1dff4d00a87ecf636c88e7257cd
Reviewed-on: https://chromium-review.googlesource.com/1171122Reviewed-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@{#582275}

DEPS

@@ -105,7 +105,7 @@ 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': '6ed63968a39131df7a6b01600bf32c32800be05d',
+  'skia_revision': '4eac21fee047c1883d10a5df39f5b609de299077',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.