Move AudioDevice and AudioInputDevice to media.

content/renderer/media/audio_device_factory.h

Index: content/renderer/media/audio_device_factory.h
===================================================================
--- content/renderer/media/audio_device_factory.h	(revision 148738)
+++ content/renderer/media/audio_device_factory.h	(working copy)
@@ -9,11 +9,10 @@
 #include "content/common/content_export.h"
 
 namespace media {
+class AudioInputDevice;
 class AudioRendererSink;
 }
 
-class AudioInputDevice;
-
 namespace content {
 
 // A factory for creating AudioRendererSinks. There is a global factory
@@ -30,7 +29,7 @@
  // TODO(henrika): Update AudioInputDevice to inherit from an interface
  // similar to AudioRendererSink, but for input.  Same for the callback
  // interfaces.
- static AudioInputDevice* NewInputDevice();
+ static media::AudioInputDevice* NewInputDevice();
 
  protected:
   AudioDeviceFactory();
@@ -41,7 +40,7 @@
   // If the return value of either of these function is NULL, we fall back
   // on the default implementation.
   virtual media::AudioRendererSink* CreateOutputDevice() = 0;
-  virtual AudioInputDevice* CreateInputDevice() = 0;
+  virtual media::AudioInputDevice* CreateInputDevice() = 0;
 
  private:
   // The current globally registered factory. This is NULL when we should