Revert 130180 - Move media/audio files into media namespace

content/test/webrtc_audio_device_test.h

Index: content/test/webrtc_audio_device_test.h
===================================================================
--- content/test/webrtc_audio_device_test.h	(revision 130181)
+++ content/test/webrtc_audio_device_test.h	(working copy)
@@ -20,6 +20,7 @@
 #include "third_party/webrtc/common_types.h"
 
 class AudioInputRendererHost;
+class AudioManager;
 class AudioRendererHost;
 class RenderThreadImpl;
 class WebRTCMockRenderProcess;
@@ -37,10 +38,6 @@
 class TestBrowserThread;
 }
 
-namespace media {
-class AudioManager;
-}
-
 namespace media_stream {
 class MediaStreamManager;
 }
@@ -169,7 +166,7 @@
   scoped_ptr<WebRTCMockRenderProcess> mock_process_;
   scoped_ptr<MockMediaObserver> media_observer_;
   scoped_ptr<media_stream::MediaStreamManager> media_stream_manager_;
-  scoped_ptr<media::AudioManager> audio_manager_;
+  scoped_ptr<AudioManager> audio_manager_;
   scoped_ptr<content::MockResourceContext> resource_context_;
   scoped_refptr<net::URLRequestContext> test_request_context_;
   scoped_ptr<IPC::Channel> channel_;