Roll Skia from cf5e35f72130 to b4d60f807dbd (5 revisions)

https://skia.googlesource.com/skia.git/+log/cf5e35f72130..b4d60f807dbd

2020-07-07 tdenniston@google.com Fix use of uninitialized value in SkSVGDevice
2020-07-07 bsalomon@google.com Use GrUniformDataManager in Dawn backend.
2020-07-07 csmartdalton@google.com Reland "Return the actual block capacity from GrBufferAllocPool::makeSpaceAtLeast"
2020-07-07 adlai@google.com Add a convenience to downcast contexts into GrDirectContext
2020-07-07 fmalita@chromium.org [skottie] Fix merge paths <-> paints interaction

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 mtklein@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
Bug: None
Tbr: mtklein@google.com
Change-Id: Iaca36421f128330c883583cabf27e4ee7273e1e7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2285307Reviewed-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@{#785991}

DEPS

@@ -194,7 +194,7 @@ 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': 'cf5e35f72130e673e309ad39eb18972784bf1b3e',
+  'skia_revision': 'b4d60f807dbd034edf9fae1233aa1784f6c36d5c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.