Roll src/third_party/skia 2722083cbe1f..843909c91ada (6 commits)

https://skia.googlesource.com/skia.git/+log/2722083cbe1f..843909c91ada


git log 2722083cbe1f..843909c91ada --date=short --no-merges --format='%ad %ae %s'
2019-02-25 bungeman@google.com Add full definition of SkStreamAsset.
2019-02-25 csmartdalton@google.com sksl: Negate dFdy when the Y axis is flipped
2019-02-25 csmartdalton@google.com Revert "Stack-allocate pipelines for GrMeshDrawOp"
2019-02-25 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2019-02-25 bungeman@google.com SkTypeface::onOpenStream to return unique_ptr.
2019-02-25 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 8c1e8f1fb771..9b433073ba38 (1 commits)


Created with:
  gclient setdep -r src/third_party/skia@843909c91ada

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

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
TBR=scroggo@chromium.org

Change-Id: I2a89ada56d8ee5c0aca4ef628cb5e489002e959e
Reviewed-on: https://chromium-review.googlesource.com/c/1487118Reviewed-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@{#635381}

DEPS

@@ -127,7 +127,7 @@ 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': '2722083cbe1f694e502288df1a240b07a7f39bda',
+  'skia_revision': '843909c91adada12e4b18ecfcbfca35a642e6087',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.