Roll src/third_party/skia 8a78e9cdc30e..7800453ed2e5 (7 commits)

https://skia.googlesource.com/skia.git/+log/8a78e9cdc30e..7800453ed2e5

git log 8a78e9cdc30e..7800453ed2e5 --date=short --first-parent --format='%ad %ae %s'
2020-03-31 michaelludwig@google.com Revert "Use glDraw.*BaseInstance calls to avoid deferred buffer binding"
2020-03-31 bungeman@google.com Revert "Enable deprecated-copy-dtor warning."
2020-03-31 bungeman@google.com Enable deprecated-copy-dtor warning.
2020-03-31 bsalomon@google.com Rename outputSwizzle->writeSwizzle.
2020-03-31 csmartdalton@google.com Use glDraw.*BaseInstance calls to avoid deferred buffer binding
2020-03-31 brianosman@google.com Fix SkVerticesPriv on MSVC 2017
2020-03-31 bungeman@google.com Allow CFDictionaryCreateMutable to grow in create_exact_copy.

Created with:
  gclient setdep -r src/third_party/skia@7800453ed2e5

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 michaelludwig@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: michaelludwig@google.com
Change-Id: I9ea6fb2896044431300a93150ad3fe1f6a058508
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2131286Reviewed-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@{#755184}

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': '8a78e9cdc30e6384cc1ad5da977d95a8d5bd0f5a',
+  'skia_revision': '7800453ed2e57ce26a6e48528e2bd39a47a26867',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.