Roll Skia from aeae3a58e3da to 68861e391313 (15 revisions)

https://skia.googlesource.com/skia.git/+log/aeae3a58e3da..68861e391313

2020-09-25 johnstiles@google.com Add unit tests for assignment and invalid field access.
2020-09-25 mtklein@google.com factor out some helpers in SkVMBlitter
2020-09-25 mtklein@google.com split apart uniformPremul()
2020-09-25 mtklein@google.com to_foo() -> to_Foo()
2020-09-25 bsalomon@google.com Remove deprecated Vulkan GrBackendRenderTarget constructor
2020-09-25 johnstiles@google.com Disallow assignment to unfoldable ternaries in SkSL.
2020-09-25 johnstiles@google.com Fail gracefully when Metal encounters a geometry shader.
2020-09-25 csmartdalton@google.com Move user stencil settings from GrPipeline to GrProgramInfo
2020-09-25 bsalomon@google.com Relax matrix check for fast case in rect blur shader
2020-09-25 fs@opera.com More conservative reverse mapping bounds for SkDisplacementMapEffect
2020-09-25 kjlubick@google.com [canvaskit] Followup feedback from shaping demo
2020-09-25 johnstiles@google.com Remove sk_ClipDistance.
2020-09-25 kjlubick@google.com [canvaskit] Expose Glyph ID APIs
2020-09-25 johnstiles@google.com Migrate setRefKind assignability checker into SkSLAnalysis.
2020-09-25 ethannicholas@google.com moved SkSL Block's data into IRNode

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 csmartdalton@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/+doc/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
Cq-Do-Not-Cancel-Tryjobs: true
Bug: chromium:1087705,chromium:1128962
Tbr: csmartdalton@google.com
Change-Id: I12b5fd74673d90dae31183265169e7c072d714ec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2432796Reviewed-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@{#810906}

DEPS

@@ -195,7 +195,7 @@ 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': 'aeae3a58e3da8f64d79733d51c80d5d5490814b3',
+  'skia_revision': '68861e3913134f21da6799d228afe2288108d77d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.