The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/0c6d81da9e9d679e15552d1429a638205410d2bc

commit 0c6d81da9e9d679e15552d1429a638205410d2bc
Author: kainino <kainino@chromium.org>
Date: Sat Oct 15 03:00:05 2016

Roll WebGL 1db74f6..4e6c509

https://chromium.googlesource.com/external/khronosgroup/webgl.git/+log/1db74f6..4e6c509

BUG= 655836 

TEST=bots

CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2416783007
Cr-Commit-Position: refs/heads/master@{#425541}

[modify] https://crrev.com/0c6d81da9e9d679e15552d1429a638205410d2bc/DEPS
[modify] https://crrev.com/0c6d81da9e9d679e15552d1429a638205410d2bc/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
[modify] https://crrev.com/0c6d81da9e9d679e15552d1429a638205410d2bc/content/test/gpu/gpu_tests/webgl_conformance_expectations.py

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d9dc272bac64639ab80e4c782dd866b1adfd108a

commit d9dc272bac64639ab80e4c782dd866b1adfd108a
Author: kainino <kainino@chromium.org>
Date: Mon Oct 17 20:54:35 2016

remove ETC2/EAC texture support in core WebGL 2

Spec change:
https://github.com/KhronosGroup/WebGL/issues/2030
Test changes:
https://github.com/KhronosGroup/WebGL/pull/2053

BUG= 455568 
BUG= 655836 
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2366453002
Cr-Commit-Position: refs/heads/master@{#425774}

[modify] https://crrev.com/d9dc272bac64639ab80e4c782dd866b1adfd108a/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
[modify] https://crrev.com/d9dc272bac64639ab80e4c782dd866b1adfd108a/gpu/command_buffer/build_gles2_cmd_buffer.py
[modify] https://crrev.com/d9dc272bac64639ab80e4c782dd866b1adfd108a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
[modify] https://crrev.com/d9dc272bac64639ab80e4c782dd866b1adfd108a/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
[modify] https://crrev.com/d9dc272bac64639ab80e4c782dd866b1adfd108a/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp
[modify] https://crrev.com/d9dc272bac64639ab80e4c782dd866b1adfd108a/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.idl

Done