Add default impl for DemuxerStream::EnableBitstreamConverter();

Add default impl for DemuxerStream::EnableBitstreamConverter().

Most DemuxerStream implementation doesn't need this method. Provide an empty default implementation in the base class so that subclass doesn't need to override it.

TBR=gunsch@chromium.org

Committed: https://crrev.com/a1a1d99b8260260c13afcd4ba9d209f25f506bb9
Cr-Commit-Position: refs/heads/master@{#294102}

[xhwang, 2014-09-09 21:07:33]

xhwang@chromium.org changed reviewers:
+ acolwell@chromium.org

[xhwang, 2014-09-09 21:07:34]

acolwell@: PTAL
tim@: FYI

[acolwell GONE FROM CHROMIUM, 2014-09-09 22:28:18]

https://codereview.chromium.org/560563002/diff/1/media/filters/decrypting_dem...
File media/filters/decrypting_demuxer_stream.cc (left):

https://codereview.chromium.org/560563002/diff/1/media/filters/decrypting_dem...
media/filters/decrypting_demuxer_stream.cc:130:
demuxer_stream_->EnableBitstreamConverter();
Why is this getting removed? Don't you still need to forward this call since
|demuxer_stream_| might actually react to it?

[xhwang, 2014-09-09 22:45:28]

comments addressed

[xhwang, 2014-09-09 22:50:38]

https://codereview.chromium.org/560563002/diff/1/media/filters/decrypting_dem...
File media/filters/decrypting_demuxer_stream.cc (left):

https://codereview.chromium.org/560563002/diff/1/media/filters/decrypting_dem...
media/filters/decrypting_demuxer_stream.cc:130:
demuxer_stream_->EnableBitstreamConverter();
On 2014/09/09 22:28:17, acolwell wrote:
> Why is this getting removed? Don't you still need to forward this call since
> |demuxer_stream_| might actually react to it?

Oops, good catch. Reverted.

[acolwell GONE FROM CHROMIUM, 2014-09-09 22:52:21]

lgtm

[xhwang, 2014-09-09 23:39:50]

The CQ bit was checked by xhwang@chromium.org

[commit-bot: I haz the power, 2014-09-09 23:52:13]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/xhwang@chromium.org/560563002/20001

[commit-bot: I haz the power, 2014-09-10 01:49:33]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-09-10 01:49:34]

Try jobs failed on following builders:
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[xhwang, 2014-09-10 03:21:27]

The CQ bit was checked by xhwang@chromium.org

[commit-bot: I haz the power, 2014-09-10 03:26:05]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/xhwang@chromium.org/560563002/20001

[commit-bot: I haz the power, 2014-09-10 04:28:56]

Committed patchset #2 (id:20001) as e47efc961b8da4aa7420b91ff3d899e37a32ce2d

[commit-bot: I haz the power, 2014-09-10 04:33:30]

Patchset 2 (id:??) landed as
https://crrev.com/a1a1d99b8260260c13afcd4ba9d209f25f506bb9
Cr-Commit-Position: refs/heads/master@{#294102}