Roll third_party/externals/angle2 3f01f53c02e8..8c78ce4bd30c (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/3f01f53c02e8..8c78ce4bd30c


git log 3f01f53c02e8..8c78ce4bd30c --date=short --no-merges --format='%ad %ae %s'
2018-12-29 jmadill@chromium.org Use visitor pattern for Shader Variable APIs.
2018-12-29 syoussefi@chromium.org Vulkan: Move image clear functionality to UtilsVk
2018-12-29 syoussefi@chromium.org Improve CopyTexImageTest
2018-12-29 xinghua.cao@intel.com Add test case for storage buffer


Created with:
  gclient setdep -r third_party/externals/angle2@8c78ce4bd30c

The AutoRoll server is located here: https://autoroll.skia.org/r/angle-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=skia.primary:Build-Debian9-Clang-x86_64-Release-ANGLE;skia.primary:Perf-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-ShuttleC-GPU-GTX960-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-ShuttleC-GPU-GTX960-x86_64-Debug-All-ANGLE
TBR=robertphillips@google.com

Change-Id: I9f9f545ffc84bac50a53de84fabc8c6a059ab672
Reviewed-on: https://skia-review.googlesource.com/c/180403
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
1 file changed