To M56: Use ffmpeg for opus decoding, no need to maintain our decoder.

To M56: Use ffmpeg for opus decoding, no need to maintain our decoder.

As a bonus this allows WebAudio to start using opus.

BUG=482934
TEST=all opus tests pass with the previous expectations.

Review-Url: https://codereview.chromium.org/2435603009
Cr-Commit-Position: refs/heads/master@{#433433}
(cherry picked from commit 655b0cf987eca28d8035cb3ceb1af6c4b916b179)

TBR=dalecurtis@chromium.org,avi@chromium.org,alokp@chromium.org

Committed: https://chromium.googlesource.com/chromium/src/+/a76943e15311ba010af0dec0df9b6c79e5532989

[wolenetz, 2016-12-01 20:14:58]

Description was changed from

==========
To M56: Use ffmpeg for opus decoding, no need to maintain our decoder.

As a bonus this allows WebAudio to start using opus.

BUG=482934
TEST=all opus tests pass with the previous expectations.

Review-Url: https://codereview.chromium.org/2435603009
Cr-Commit-Position: refs/heads/master@{#433433}
(cherry picked from commit 655b0cf987eca28d8035cb3ceb1af6c4b916b179)

TBR=dalecurtis@chromium.org,avi@chromium.org,alokp@chromium.org
==========

to

==========
To M56: Use ffmpeg for opus decoding, no need to maintain our decoder.

As a bonus this allows WebAudio to start using opus.

BUG=482934
TEST=all opus tests pass with the previous expectations.

Review-Url: https://codereview.chromium.org/2435603009
Cr-Commit-Position: refs/heads/master@{#433433}
(cherry picked from commit 655b0cf987eca28d8035cb3ceb1af6c4b916b179)

TBR=dalecurtis@chromium.org,avi@chromium.org,alokp@chromium.org

Committed:
https://chromium.googlesource.com/chromium/src/+/a76943e15311ba010af0dec0df9b...
==========

[wolenetz, 2016-12-01 20:14:59]

Committed patchset #1 (id:1) manually as
a76943e15311ba010af0dec0df9b6c79e5532989.

[alokp, 2016-12-01 20:26:56]

lgtm