The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a5f88b7e35a567c40e25e21b285ec7e8c687e6d6

commit a5f88b7e35a567c40e25e21b285ec7e8c687e6d6
Author: James Darpinian <jdarpinian@chromium.org>
Date: Mon Nov 12 23:09:19 2018

Cleaning up WebGL test failure expectations.

Many of these are leftover failure expectations from fixed bugs.
Some were fixed on some platforms but not others. There are some
new failures that were hidden by previous broad suppressions. Also
some tests are only failing because we haven't updated the drivers
on the bots (http://crbug.com/887241).

Bug:  757097 ,  838133 ,  672380 , 625738,  angleproject:2325 
Bug:  534697 , 849572, 625738, 703779,  angleproject:2142 
Bug: 757098, 644740, 705865, 602688,  angleproject:2103 
Bug: 903903,  740769 , 662644,  680720 ,  angleproject:1932 
Bug:  709874 , 887241,  625365 , angleproject:2952
Change-Id: I4e39e5a09d31d788d8a8615ad06d1ec88f064f00
Reviewed-on: https://chromium-review.googlesource.com/c/1325197
Commit-Queue: James Darpinian <jdarpinian@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607367}
[modify] https://crrev.com/a5f88b7e35a567c40e25e21b285ec7e8c687e6d6/content/test/gpu/gpu_tests/webgl2_conformance_expectations.py
[modify] https://crrev.com/a5f88b7e35a567c40e25e21b285ec7e8c687e6d6/content/test/gpu/gpu_tests/webgl_conformance_expectations.py
[modify] https://crrev.com/a5f88b7e35a567c40e25e21b285ec7e8c687e6d6/content/test/gpu/gpu_tests/webgl_conformance_expectations_unittest.py