Roll src/third_party/skia 1b85323f10e7..34a2a76e2094 (5 commits)

https://skia.googlesource.com/skia.git/+log/1b85323f10e7..34a2a76e2094


git log 1b85323f10e7..34a2a76e2094 --date=short --no-merges --format='%ad %ae %s'
2019-02-15 scroggo@google.com Remove assert that BGRA and RGBA are not opaque
2019-02-15 herb@google.com Revert of CL/192440 which would not reland cleanly.
2019-02-15 fmalita@chromium.org add mixer colorfilter
2019-02-15 csmartdalton@google.com Remove shader caps argument from GrGLSLTypeString
2019-02-15 robertphillips@google.com Stop using resourceProvider in GrRenderTargetContext's ctor


Created with:
  gclient setdep -r src/third_party/skia@34a2a76e2094

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=stephana@chromium.org

Change-Id: I54f8a515e6da7c0d7aeeefd5e53cb621ca6cf799
Reviewed-on: https://chromium-review.googlesource.com/c/1475036Reviewed-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@{#632803}

DEPS

@@ -126,7 +126,7 @@ 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': '1b85323f10e7e5b2e5ba56f9c4e87e225a995fc2',
+  'skia_revision': '34a2a76e209486e2baf42b18b4993380e67d11e3',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.