Add alaw codec for .wav files.

Add alaw codec for .wav files.

Also add corresponding test. (The test media is already there.)

BUG=chromium:217772
TEST=Played 2 test files on Pixel.

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=233101

[DaleCurtis, 2013-11-05 00:34:29]

This can be landed now.  lgtm

[commit-bot: I haz the power, 2013-11-05 01:05:19]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ihf@chromium.org/25660014/1

[commit-bot: I haz the power, 2013-11-05 01:48:34]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[DaleCurtis, 2013-11-05 01:50:18]

https://codereview.chromium.org/25660014/diff/1/content/browser/media/media_b...
File content/browser/media/media_browsertest.cc (right):

https://codereview.chromium.org/25660014/diff/1/content/browser/media/media_b...
content/browser/media/media_browsertest.cc:171:
IN_PROC_BROWSER_TEST_P(MediaTest, VideoBearWavAlaw) {
Just realized these alaw and mulaw tests were in the ChromeOS specific #if. They
can be moved out to chromium builds now.

[ilja, 2013-11-05 02:26:52]

https://codereview.chromium.org/25660014/diff/1/content/browser/media/media_b...
File content/browser/media/media_browsertest.cc (right):

https://codereview.chromium.org/25660014/diff/1/content/browser/media/media_b...
content/browser/media/media_browsertest.cc:171:
IN_PROC_BROWSER_TEST_P(MediaTest, VideoBearWavAlaw) {
On 2013/11/05 01:50:18, DaleCurtis wrote:
> Just realized these alaw and mulaw tests were in the ChromeOS specific #if.
They
> can be moved out to chromium builds now.

Moved to general section as discussed.

[DaleCurtis, 2013-11-05 02:30:15]

lgtm

[commit-bot: I haz the power, 2013-11-05 02:36:58]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ihf@chromium.org/25660014/296001

[commit-bot: I haz the power, 2013-11-05 03:00:09]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ihf@chromium.org/25660014/296001

[commit-bot: I haz the power, 2013-11-05 06:46:41]

Retried try job too often on linux_rel for step(s) browser_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

[commit-bot: I haz the power, 2013-11-05 19:21:51]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ihf@chromium.org/25660014/296001

[commit-bot: I haz the power, 2013-11-05 22:14:39]

Change committed as 233101