Build is broken:
webgl_conformance_tests

Revision range:
chromium 382973 : 382987

Failing builders:
Android Debug (Nexus 6): https://build.chromium.org/p/chromium.gpu/builders/Android%20Debug%20(Nexus%206)

I believe that this pull https://codereview.chromium.org/1802803002 included https://chromium.googlesource.com/external/khronosgroup/webgl.git/+/b4943e74624f8e9fcca164fec948ec502d4cdc5f which is now failing on Android Debug bots.

This started here: https://build.chromium.org/p/chromium.gpu/builders/Android%20Debug%20%28Nexus%206%29/builds/7385

And contains this:
https://build.chromium.org/p/chromium.gpu/builders/Android%20Debug%20%28Nexus%206%29/builds/7385/steps/webgl_conformance_tests/logs/stdio


[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_image_tex_image_and_sub_image_2d_with_image_bitmap_from_image_rgb_rgb_unsigned_byte
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_image_tex_image_and_sub_image_2d_with_image_bitmap_from_image_rgb_rgb_unsigned_short_5_6_5
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_image_tex_image_and_sub_image_2d_with_image_bitmap_from_image_rgba_rgba_unsigned_byte
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_image_tex_image_and_sub_image_2d_with_image_bitmap_from_image_rgba_rgba_unsigned_short_4_4_4_4
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_image_tex_image_and_sub_image_2d_with_image_bitmap_from_image_rgba_rgba_unsigned_short_5_5_5_1
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_canvas_tex_image_and_sub_image_2d_with_image_bitmap_from_canvas_rgb_rgb_unsigned_byte
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_canvas_tex_image_and_sub_image_2d_with_image_bitmap_from_canvas_rgb_rgb_unsigned_short_5_6_5
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_canvas_tex_image_and_sub_image_2d_with_image_bitmap_from_canvas_rgba_rgba_unsigned_byte
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_canvas_tex_image_and_sub_image_2d_with_image_bitmap_from_canvas_rgba_rgba_unsigned_short_4_4_4_4
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_canvas_tex_image_and_sub_image_2d_with_image_bitmap_from_canvas_rgba_rgba_unsigned_short_5_5_5_1
[  FAILED  ]  WebglConformance.conformance_textures_image_bitmap_from_blob_tex_image_and_sub_image_2d_with_image_bitmap_from_blob_rgb_rgb_unsigned_byte


[ RUN      ] WebglConformance.conformance_textures_image_bitmap_from_image_tex_image_and_sub_image_2d_with_image_bitmap_from_image_rgb_rgb_unsigned_byte
Traceback (most recent call last):
  File "/b/build/slave/Android_Debug__Nexus_6_/build/src/third_party/catapult/telemetry/telemetry/internal/story_runner.py", line 84, in _RunStoryAndProcessErrorIfNeeded
    state.RunStory(results)
  File "/b/build/slave/Android_Debug__Nexus_6_/build/src/content/test/gpu/gpu_tests/gpu_test_base.py", line 122, in RunStory
    RunStoryWithRetries(DesktopGpuSharedPageState, self, results)
  File "/b/build/slave/Android_Debug__Nexus_6_/build/src/content/test/gpu/gpu_tests/gpu_test_base.py", line 72, in RunStoryWithRetries
    super(cls, shared_page_state).RunStory(results)
  File "/b/build/slave/Android_Debug__Nexus_6_/build/src/third_party/catapult/telemetry/telemetry/page/shared_page_state.py", line 331, in RunStory
    self._current_page, self._current_tab, results)
  File "/b/build/slave/Android_Debug__Nexus_6_/build/src/content/test/gpu/gpu_tests/webgl_conformance.py", line 78, in ValidateAndMeasurePage
    raise page_test.Failure(_WebGLTestMessages(tab))
Failure: at (8, 8) expected: 255,0,0 was 0,128,0
FAIL at (8, 8) expected: 255,0,0 was 0,128,0
at (24, 8) expected: 128,0,0 was 0,128,0
FAIL at (24, 8) expected: 128,0,0 was 0,128,0
at (8, 24) expected: 0,255,0 was 0,128,0
FAIL at (8, 24) expected: 0,255,0 was 0,128,0
at (8, 8) expected: 255,0,0 was 0,128,0
FAIL at (8, 8) expected: 255,0,0 was 0,128,0
at (24, 8) expected: 128,0,0 was 0,128,0