conformance test added: https://github.com/KhronosGroup/WebGL/pull/2372.

Can you also update the WebGL extension spec:

https://www.khronos.org/registry/webgl/extensions/EXT_color_buffer_float/

in the "When this extension is enabled" section.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9589135cc575bcaeb2b730df193ca9cbc408cec4

commit 9589135cc575bcaeb2b730df193ca9cbc408cec4
Author: qiankun.miao <qiankun.miao@intel.com>
Date: Wed Apr 19 17:53:53 2017

Roll WebGL fd73a60..73fd432

https://chromium.googlesource.com/external/khronosgroup/webgl.git/+log/fd73a60..73fd432

BUG= 708730 ,  712584 ,  712117 ,  713127 ,  angleproject:1966 

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/2820113008
Cr-Commit-Position: refs/heads/master@{#465664}

[modify] https://crrev.com/9589135cc575bcaeb2b730df193ca9cbc408cec4/DEPS
[modify] https://crrev.com/9589135cc575bcaeb2b730df193ca9cbc408cec4/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
[modify] https://crrev.com/9589135cc575bcaeb2b730df193ca9cbc408cec4/content/test/gpu/gpu_tests/webgl_conformance_expectations.py
[modify] https://crrev.com/9589135cc575bcaeb2b730df193ca9cbc408cec4/content/test/gpu/gpu_tests/webgl_conformance_revision.txt

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/22e0ddbf8f3d503884093b5e14067468e4282841

commit 22e0ddbf8f3d503884093b5e14067468e4282841
Author: qiankun.miao <qiankun.miao@intel.com>
Date: Thu Apr 20 18:06:43 2017

Add supported formats by EXT_color_buffer_float for CopyTexImage2D

BUG= 712584 
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;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/2823193002
Cr-Commit-Position: refs/heads/master@{#466069}

[modify] https://crrev.com/22e0ddbf8f3d503884093b5e14067468e4282841/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
[modify] https://crrev.com/22e0ddbf8f3d503884093b5e14067468e4282841/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
[modify] https://crrev.com/22e0ddbf8f3d503884093b5e14067468e4282841/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.h

The assigned owner "qiankun.miao@intel.com" is not able to receive e-mails, please re-triage.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

I think this one was fully fixed.