The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7f3a4cbcc1364c2770d64679e7881fad9171f7c4

commit 7f3a4cbcc1364c2770d64679e7881fad9171f7c4
Author: Frank Liberato <liberato@chromium.org>
Date: Tue Sep 04 20:32:16 2018

Added MediaLog support to D3D11VideoDecoder

This CL adds MediaLog support to D3D11 video decoder and friends.

It also removes the check for the validating gles decoder, since it's
supported properly now.

Bug: 764779

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
Change-Id: I195f0448c2cdb273a96759ea25e2cd5d5a8b508a
Reviewed-on: https://chromium-review.googlesource.com/1137339
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Commit-Queue: Frank Liberato <liberato@chromium.org>
Cr-Commit-Position: refs/heads/master@{#588636}
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/gpu/windows/d3d11_h264_accelerator.cc
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/gpu/windows/d3d11_h264_accelerator.h
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/gpu/windows/d3d11_video_decoder.cc
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/gpu/windows/d3d11_video_decoder.h
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/gpu/windows/d3d11_video_decoder_impl.cc
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/gpu/windows/d3d11_video_decoder_impl.h
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/gpu/windows/d3d11_video_decoder_unittest.cc
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/media/mojo/services/gpu_mojo_media_client.cc
[modify] https://crrev.com/7f3a4cbcc1364c2770d64679e7881fad9171f7c4/tools/metrics/histograms/enums.xml