Roll src/third_party/skia 4f71cccb9dc5..b45ee83cc7c0 (5 commits)

https://skia.googlesource.com/skia.git/+log/4f71cccb9dc5..b45ee83cc7c0


git log 4f71cccb9dc5..b45ee83cc7c0 --date=short --no-merges --format='%ad %ae %s'
2019-05-17 mtklein@google.com warmup learning sksl interpreter
2019-05-17 bsalomon@google.com Initial version of rescaling async readback API
2019-05-17 michaelludwig@google.com Refactor complex CTM management for image filters
2019-05-17 jvanverth@google.com Metal: Add check for invalid shader functions
2019-05-17 robertphillips@google.com Switch over to using new direct allocation API in our tests (as much as possible at least)


Created with:
  gclient setdep -r src/third_party/skia@b45ee83cc7c0

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-autoroll

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=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=chromium:959412
TBR=michaelludwig@google.com

Change-Id: I4bd06d7fa57cbf2c6e62a6ad2777f860dde001a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1616729Reviewed-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@{#660927}

DEPS

@@ -133,7 +133,7 @@ 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': '4f71cccb9dc5007d091608e644968366d97bd920',
+  'skia_revision': 'b45ee83cc7c0f08be3e6bf6a2c9e3442da05a95d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.