Remove muted_ and playback_rate_ from media::AudioRendererAlgorithm.

Remove muted_ and playback_rate_ from media::AudioRendererAlgorithm.

We don't need to hold onto the state as playback rate is only used when
calling FillBuffer().

BUG=370634
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=284802

[scherkus (not reviewing), 2014-07-22 19:25:50]

https://codereview.chromium.org/411683002/diff/40001/media/filters/audio_rend...
File media/filters/audio_renderer_algorithm_unittest.cc (left):

https://codereview.chromium.org/411683002/diff/40001/media/filters/audio_rend...
media/filters/audio_renderer_algorithm_unittest.cc:148: void
CheckFakeData(AudioBus* audio_data, int frames_written) {
I'm not sure what this was actually checking for ... but I tried to fix it up.

[DaleCurtis, 2014-07-22 19:32:56]

lgtm

https://codereview.chromium.org/411683002/diff/40001/media/filters/audio_rend...
File media/filters/audio_renderer_algorithm_unittest.cc (left):

https://codereview.chromium.org/411683002/diff/40001/media/filters/audio_rend...
media/filters/audio_renderer_algorithm_unittest.cc:148: void
CheckFakeData(AudioBus* audio_data, int frames_written) {
On 2014/07/22 19:25:50, scherkus wrote:
> I'm not sure what this was actually checking for ... but I tried to fix it up.

I think it was just trying to provide some extra context when debugging
failures.

[scherkus (not reviewing), 2014-07-22 20:04:19]

hclam: can you look at media/cast/test/fake_media_source.cc ?

[Alpha Left Google, 2014-07-22 20:06:20]

On 2014/07/22 20:04:19, scherkus wrote:
> hclam: can you look at media/cast/test/fake_media_source.cc ?

LGTM.

[scherkus (not reviewing), 2014-07-22 20:07:15]

The CQ bit was checked by scherkus@chromium.org

[commit-bot: I haz the power, 2014-07-22 20:09:48]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/scherkus@chromium.org/411683002/60001

[commit-bot: I haz the power, 2014-07-22 23:27:43]

Change committed as 284802