Roll src/third_party/skia/ d31b2f674..2d46a0092 (9 commits)

https://skia.googlesource.com/skia.git/+log/d31b2f674acc..2d46a0092661

$ git log d31b2f674..2d46a0092 --date=short --no-merges --format='%ad %ae %s'
2018-05-10 reed allow divide by zero
2018-05-10 fmalita Validate readByteArrayAsData size
2018-05-07 enne Add driver bug workarounds to GrCaps
2018-05-03 egdaniel Remove GrBackendObject and all related functions from Skia.
2018-05-10 fmalita Validate gradient DescriptorScope size during deserialization
2018-05-10 bsalomon Revert "Revert "Don't use GrRRectBlurEffect for large rects when highp is not full float""
2018-05-03 egdaniel Remove guard flag for SK_SUPPORT_LEGACY_BACKEND_OBJECTS on flutter.
2018-05-09 bungeman Add all SkPaint::Flags to Viewer app.
2018-05-09 robertphillips Fix clipping of SkMatrixImageFilter input (take 2)

Created with:
  roll-dep src/third_party/skia
BUG=chromium: 829614


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

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=egdaniel@chromium.org

Change-Id: I88cde5822b6f84857587f5a06861489d9eae6dbc
Reviewed-on: https://chromium-review.googlesource.com/1053760
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#557555}

DEPS

@@ -96,7 +96,7 @@ 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': 'd31b2f674acc24b44fe68cea872109d96da4c796',
+  'skia_revision': '2d46a009266150dcdf1c9dda32c0ba0c79248979',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.