Move media/audio files into media namespace

content/test/webrtc_audio_device_test.h

Index: content/test/webrtc_audio_device_test.h
diff --git a/content/test/webrtc_audio_device_test.h b/content/test/webrtc_audio_device_test.h
index bd82c87f2c4427303c7061f3b077b1ed8a763d05..dfe9f27614e7ec319ca4140cb661b3e505bc8e70 100644
--- a/content/test/webrtc_audio_device_test.h
+++ b/content/test/webrtc_audio_device_test.h
@@ -20,7 +20,6 @@
 #include "third_party/webrtc/common_types.h"
 
 class AudioInputRendererHost;
-class AudioManager;
 class AudioRendererHost;
 class RenderThreadImpl;
 class WebRTCMockRenderProcess;
@@ -38,6 +37,10 @@ class ResourceContext;
 class TestBrowserThread;
 }
 
+namespace media {
+class AudioManager;
+}
+
 namespace media_stream {
 class MediaStreamManager;
 }
@@ -166,7 +169,7 @@ class WebRTCAudioDeviceTest
   scoped_ptr<WebRTCMockRenderProcess> mock_process_;
   scoped_ptr<MockMediaObserver> media_observer_;
   scoped_ptr<media_stream::MediaStreamManager> media_stream_manager_;
-  scoped_ptr<AudioManager> audio_manager_;
+  scoped_ptr<media::AudioManager> audio_manager_;
   scoped_ptr<content::MockResourceContext> resource_context_;
   scoped_refptr<net::URLRequestContext> test_request_context_;
   scoped_ptr<IPC::Channel> channel_;