Roll src/third_party/angle e4c64c3dc862..bc6f52f36d5f (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/e4c64c3dc862..bc6f52f36d5f


git log e4c64c3dc862..bc6f52f36d5f --date=short --no-merges --format='%ad %ae %s'
2018-10-19 jmadill@chromium.org Make BindingPointer::set non-virtual.
2018-10-19 jmadill@chromium.org Introduce SubjectBindingPointer.
2018-10-19 jmadill@chromium.org Make gl::Buffer an angle::Subject.
2018-10-19 jmadill@chromium.org Use dispatch table to optimize buffer binding.


Created with:
  gclient setdep -r src/third_party/angle@bc6f52f36d5f

The AutoRoll server is located here: https://autoroll.skia.org/r/angle-chromium-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_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=geofflang@chromium.org

Change-Id: I16074d6eecca46b34ebce67603abe01c654beb0f
Reviewed-on: https://chromium-review.googlesource.com/c/1290531Reviewed-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@{#601041}

DEPS

@@ -122,7 +122,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'e4c64c3dc862eaff1239cc0378f8eb5cc8103cda',
+  'angle_revision': 'bc6f52f36d5f1a4046f93182522b65cec43bcae3',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build tools
   # and whatever else without interference from each other.