Revert of Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.

Revert of Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies. (patchset #2 id:40001 of https://codereview.webrtc.org/1737593002/ )

Reason for revert:
Breaks GN in chromium.

Original issue's description:
> Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.
>
> webrtc/audio/audio_sink.h is used by voice engine, but webrtc/audio is
> depending on voice engine, resulting in a cyclic dependency (which we
> don't detect since we have that check turned off, see webrtc:4243).
>
> BUG=webrtc:4243, webrtc:5589
> R=pbos@webrtc.org, perkj@webrtc.org, solenberg@webrtc.org
> TBR=tommi@webrtc.org
>
> Committed: https://crrev.com/99b345c4e50c59a776c56949c17da3f50992f1a2
> Cr-Commit-Position: refs/heads/master@{#11766}

TBR=solenberg@webrtc.org,pbos@webrtc.org,perkj@webrtc.org,tommi@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:4243, webrtc:5589
Committed: https://crrev.com/7324eb9e62d1bd0a38c290ab36459a08e1f9b829
Cr-Commit-Position: refs/heads/master@{#11769}

[kjellander_webrtc, 2016-02-25 16:36:17]

Created Revert of Move webrtc/audio/audio_sink.h to webrtc/ and fix some
dependencies.

[commit-bot: I haz the power, 2016-02-25 16:36:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1739783002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1739783002/1

[commit-bot: I haz the power, 2016-02-25 16:36:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-25 16:37:07]

Description was changed from

==========
Revert of Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.
(patchset #2 id:40001 of https://codereview.webrtc.org/1737593002/ )

Reason for revert:
Breaks GN in chromium.

Original issue's description:
> Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.
> 
> webrtc/audio/audio_sink.h is used by voice engine, but webrtc/audio is
> depending on voice engine, resulting in a cyclic dependency (which we
> don't detect since we have that check turned off, see webrtc:4243).
> 
> BUG=webrtc:4243, webrtc:5589
> R=pbos@webrtc.org, perkj@webrtc.org, solenberg@webrtc.org
> TBR=tommi@webrtc.org
> 
> Committed: https://crrev.com/99b345c4e50c59a776c56949c17da3f50992f1a2
> Cr-Commit-Position: refs/heads/master@{#11766}

TBR=solenberg@webrtc.org,pbos@webrtc.org,perkj@webrtc.org,tommi@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:4243, webrtc:5589
==========

to

==========
Revert of Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.
(patchset #2 id:40001 of https://codereview.webrtc.org/1737593002/ )

Reason for revert:
Breaks GN in chromium.

Original issue's description:
> Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.
>
> webrtc/audio/audio_sink.h is used by voice engine, but webrtc/audio is
> depending on voice engine, resulting in a cyclic dependency (which we
> don't detect since we have that check turned off, see webrtc:4243).
>
> BUG=webrtc:4243, webrtc:5589
> R=pbos@webrtc.org, perkj@webrtc.org, solenberg@webrtc.org
> TBR=tommi@webrtc.org
>
> Committed: https://crrev.com/99b345c4e50c59a776c56949c17da3f50992f1a2
> Cr-Commit-Position: refs/heads/master@{#11766}

TBR=solenberg@webrtc.org,pbos@webrtc.org,perkj@webrtc.org,tommi@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:4243, webrtc:5589

Committed: https://crrev.com/7324eb9e62d1bd0a38c290ab36459a08e1f9b829
Cr-Commit-Position: refs/heads/master@{#11769}
==========

[commit-bot: I haz the power, 2016-02-25 16:37:08]

Patchset 1 (id:??) landed as
https://crrev.com/7324eb9e62d1bd0a38c290ab36459a08e1f9b829
Cr-Commit-Position: refs/heads/master@{#11769}

[kjellander_webrtc, 2016-02-26 21:35:40]

On 2016/02/25 16:37:08, commit-bot: I haz the power wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/7324eb9e62d1bd0a38c290ab36459a08e1f9b829
> Cr-Commit-Position: refs/heads/master@{#11769}

I'm relanding this in https://codereview.webrtc.org/1740873003/ minus the
breaking changes caused by WebRTC not complying with the GN --check flag.