Roll src/third_party/skia/ e579f1e70..2ef4525da (2 commits)

https://skia.googlesource.com/skia.git/+log/e579f1e70fd8..2ef4525daf15

$ git log e579f1e70..2ef4525da --date=short --no-merges --format='%ad %ae %s'
2018-03-23 herb Remove SkAutoGlyphCache
2018-03-27 angle-skia-autoroll Roll skia/third_party/externals/angle2/ a571f28d4..84fdc62c6 (6 commits)

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;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=mtklein@chromium.org

Change-Id: Id16ab42fe990eab550809344b460d138d996710f
Reviewed-on: https://chromium-review.googlesource.com/981784
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@{#546027}

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': 'e579f1e70fd8448631631785cef0806700ae286e',
+  'skia_revision': '2ef4525daf153fe8927727e2131a35d520e90269',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.