Roll Skia from ba7cbf76d498 to b7bfbc299aae (6 revisions)

https://skia.googlesource.com/skia.git/+log/ba7cbf76d498..b7bfbc299aae

2020-07-01 robertphillips@google.com Move GrRecordingContext.h and GrDirectContext.h into include/gpu
2020-07-01 bsalomon@google.com Remove workaround for not calling SkImage release proc
2020-07-01 brianosman@google.com Change SampleMatrix to SampleUsage
2020-07-01 robertphillips@google.com Make asDirectContext public
2020-07-01 johnstiles@google.com Fix modifier key handling in OS X to allow command-keys to work.
2020-07-01 jvanverth@google.com Fix D3D debug clang build.

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 ethannicholas@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: ethannicholas@google.com
Change-Id: I2dbcb523ad2fcc21de49657999727e3e6c9ab74c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2278096Reviewed-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@{#784524}

DEPS

@@ -188,7 +188,7 @@ 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': 'ba7cbf76d49851be3be60cdc78870c4f110262d2',
+  'skia_revision': 'b7bfbc299aaeab626e9ace51598d4fe75d163831',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.