Roll src/third_party/skia 4777e3addec4..ebc00f97fab1 (10 commits)

https://skia.googlesource.com/skia.git/+log/4777e3addec4..ebc00f97fab1

git log 4777e3addec4..ebc00f97fab1 --date=short --first-parent --format='%ad %ae %s'
2020-02-05 egdaniel@google.com Revert "Change refPinnedTextureProxy to return a view instead."
2020-02-05 egdaniel@google.com Change refPinnedTextureProxy to return a view instead.
2020-02-05 herb@google.com Add a mutex to SkStrike to regulate multithreaded access
2020-02-05 fmalita@chromium.org [skottie] Add support for ADBE Pro Levels2 effect
2020-02-05 jlavrova@google.com Make assert less sensitive to rounding errors
2020-02-05 herb@google.com Remove search of desperation
2020-02-05 brianosman@google.com Add comment explaining memset in ArithmeticFPInputs
2020-02-05 westont@google.com Add ccache_linux cipd package.
2020-02-05 brianosman@google.com Ensure that ArithmeticFPInputs is fully initialized
2020-02-05 egdaniel@google.com Update bicubic effect factories to take a view.

Created with:
  gclient setdep -r src/third_party/skia@ebc00f97fab1

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-autoroll
Please CC scroggo@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Bug: None
Tbr: scroggo@google.com
Change-Id: Iad5a4bcbf83d06509d53043b179dbb5559ba0681
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2040046Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#738737}

DEPS

@@ -176,7 +176,7 @@ 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': '4777e3addec478786dcbb68035c5e11c82479b9f',
+  'skia_revision': 'ebc00f97fab11a1b7f1e73ea5c7e5f413f6e798f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.