Roll src/third_party/skia c91fe3ab1c5d..184d408b646b (10 commits)

https://skia.googlesource.com/skia.git/+log/c91fe3ab1c5d..184d408b646b


git log c91fe3ab1c5d..184d408b646b --date=short --no-merges --format='%ad %ae %s'
2018-06-29 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-06-29 ruiqimao@google.com skeletal animation support added to API and software backend
2018-06-29 mtklein@chromium.org update and skip accepts check in lexers
2018-06-29 brianosman@google.com Update ImGui to v1.62 (June 22, 2018)
2018-06-29 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-06-29 mtklein@google.com Revert "GrTessellator: handle three consecutive collinear edges."
2018-06-29 enne@chromium.org Fix chrome memory dump crashes using out of process strike caches
2018-06-29 senorblanco@chromium.org GrTessellator: handle three consecutive collinear edges.
2018-06-29 fmalita@chromium.org [skottie] Fix 'subtract' masks
2018-06-29 recipe-roller@chromium.org Roll recipe dependencies (trivial).


Created with:
  gclient setdep -r src/third_party/skia@184d408b646b

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

BUG=chromium:851409.,chromium:851409.
TBR=jcgregorio@chromium.org

Change-Id: I6c4ed70c86826c5e2077314c243d352d238a02bb
Reviewed-on: https://chromium-review.googlesource.com/1121049Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#571629}

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': 'c91fe3ab1c5dd109e436768f848dda6814755ae6',
+  'skia_revision': '184d408b646b9c6a2685170228649c4ed652e2a6',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.