Roll src/third_party/skia 76f4fff613b5..5846ff3c7ae0 (1 commits)

https://skia.googlesource.com/skia.git/+log/76f4fff613b5..5846ff3c7ae0

git log 76f4fff613b5..5846ff3c7ae0 --date=short --first-parent --format='%ad %ae %s'
2020-04-07 csmartdalton@google.com Make glDraw*BaseInstance non-optional when extension(s) are present

Created with:
  gclient setdep -r src/third_party/skia@5846ff3c7ae0

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/+/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: csmartdalton@google.com
Change-Id: Ia25cbb01846168e27d5a3036c8d3f187bd1449ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2138959Reviewed-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@{#756958}

DEPS

@@ -175,7 +175,7 @@ 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': '76f4fff613b5ba4365d24dbd943a8ed47221f1e9',
+  'skia_revision': '5846ff3c7ae028c2c80b121c886293e298ad189a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.