Roll src/third_party/skia 303e83e6b3c8..3c4d533d8ebd (7 commits)

https://skia.googlesource.com/skia.git/+log/303e83e6b3c8..3c4d533d8ebd


git log 303e83e6b3c8..3c4d533d8ebd --date=short --no-merges --format='%ad %ae %s'
2018-09-10 herb@google.com Simplify plots to always be 512x512 and simplify GrDrawOpAtlasConfig
2018-09-10 brianosman@google.com Add fast path to SkColorSpaceXformSteps
2018-09-10 reed@google.com Revert "add SkPath::shrinkToFit"
2018-09-10 allanmac@google.com Selected a much better HotSort "shape" for NVIDIA.
2018-09-10 reed@google.com add SkPath::shrinkToFit
2018-09-10 brianosman@google.com Revert "increase Builder's prealloc size after colorspace change"
2018-09-10 caryclark@skia.org Revert "Simplify plots to always be 512x512 and simplify GrDrawOpAtlasConfig"


Created with:
  gclient setdep -r src/third_party/skia@3c4d533d8ebd

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=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:android_optional_gpu_tests_rel;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=caryclark@chromium.org

Change-Id: I4a7e36b9aa13c00f15561af6f245b4aae911f3f7
Reviewed-on: https://chromium-review.googlesource.com/1217922Reviewed-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@{#590126}

DEPS

@@ -105,7 +105,7 @@ 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': '303e83e6b3c8534c40579d170aca0d8bc615fee6',
+  'skia_revision': '3c4d533d8ebd88c5167b3d105513dc3fa52e7507',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.