Revert of Fix the way how we create webrtc::AudioProcessing in Chrome

Revert of Fix the way how we create webrtc::AudioProcessing in Chrome (patchset #5 id:100001 of https://codereview.chromium.org/588523002/)

Reason for revert:
It broke some internal webrtc bots, revert it for now and will reland it after fixing the problems.

http://chromegw.corp.google.com/i/internal.chromium.webrtc/builders/Mac%20Tester/builds/22092

Original issue's description:
> Fix the way how we create webrtc::AudioProcessing in Chrome.
>
> BUG=415935
> TEST=all webrtc tests in all bots + manual test to verify the agc loggings exist.
>
> Committed: https://crrev.com/a5e9fc62b7bf25931ffe6153cc738098d8119c28
> Cr-Commit-Position: refs/heads/master@{#295990}

TBR=tommi@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=415935
Committed: https://crrev.com/e5d4e40f138c70432e05101b2ebea7b305aa0341
Cr-Commit-Position: refs/heads/master@{#296191}

[no longer working on chromium, 2014-09-23 15:31:24]

Created Revert of Fix the way how we create webrtc::AudioProcessing in Chrome

[commit-bot: I haz the power, 2014-09-23 15:32:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/594883002/1

[commit-bot: I haz the power, 2014-09-23 15:32:38]

Committed patchset #1 (id:1) as cfb5a2ec04907b92c285c020d0861e85c4dd40c8

[commit-bot: I haz the power, 2014-09-23 15:33:07]

Patchset 1 (id:??) landed as
https://crrev.com/e5d4e40f138c70432e05101b2ebea7b305aa0341
Cr-Commit-Position: refs/heads/master@{#296191}