Roll src/third_party/skia 98b516151f71..cbf79b95c2d4 (2 commits)

https://skia.googlesource.com/skia.git/+log/98b516151f71..cbf79b95c2d4

git log 98b516151f71..cbf79b95c2d4 --date=short --first-parent --format='%ad %ae %s'
2020-02-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 8e8e1d0dd729..dd48b7e2d06e (2 commits)
2020-02-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 58fc8b11cf3a..f1b2c4bed48a (13 commits)

Created with:
  gclient setdep -r src/third_party/skia@cbf79b95c2d4

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: I86bb72972ec4e636e43cbf05a2a1c60535af7881
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2040926Reviewed-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@{#738867}

DEPS

@@ -171,7 +171,7 @@ 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': '98b516151f717b556487afb195338028fb81017e',
+  'skia_revision': 'cbf79b95c2d48ea668f802059e65ae3a018670fc',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.