The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/68789eefe6a1250a15c44268ae27ed5c7a06b6c9

commit 68789eefe6a1250a15c44268ae27ed5c7a06b6c9
Author: jbauman <jbauman@chromium.org>
Date: Fri Nov 18 05:35:29 2016

Re-enable VP9 hardware decoding on new Intel drivers.

Intel GPU drivers 21.20.16.4542 and above have a fix for the hang bug.

BUG= 654111 , 666512 
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/2508063002
Cr-Commit-Position: refs/heads/master@{#433121}

[modify] https://crrev.com/68789eefe6a1250a15c44268ae27ed5c7a06b6c9/gpu/config/software_rendering_list_json.cc

Your change meets the bar and is auto-approved for M56 (branch: 2924)

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/14e7b517d706623cd221898f561f15f3b12a0700

commit 14e7b517d706623cd221898f561f15f3b12a0700
Author: John Bauman <jbauman@chromium.org>
Date: Tue Nov 22 00:15:07 2016

Re-enable VP9 hardware decoding on new Intel drivers.

Intel GPU drivers 21.20.16.4542 and above have a fix for the hang bug.

BUG= 654111 , 666512 
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/2508063002
Cr-Commit-Position: refs/heads/master@{#433121}
(cherry picked from commit 68789eefe6a1250a15c44268ae27ed5c7a06b6c9)

Review URL: https://codereview.chromium.org/2520093004 .

Cr-Commit-Position: refs/branch-heads/2924@{#45}
Cr-Branched-From: 3a87aecc31cd1ffe751dd72c04e5a96a1fc8108a-refs/heads/master@{#433059}

[modify] https://crrev.com/14e7b517d706623cd221898f561f15f3b12a0700/gpu/config/software_rendering_list_json.cc

 Issue 671534  has been merged into this issue.