Move AudioDevice and AudioInputDevice to media.

media/audio/audio_device_thread.cc

Index: media/audio/audio_device_thread.cc
===================================================================
--- media/audio/audio_device_thread.cc	(revision 148738)
+++ media/audio/audio_device_thread.cc	(working copy)
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/renderer/media/audio_device_thread.h"
+#include "media/audio/audio_device_thread.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ -13,6 +13,8 @@
 
 using base::PlatformThread;
 
+namespace media {
+
 // The actual worker thread implementation.  It's very bare bones and much
 // simpler than SimpleThread (no synchronization in Start, etc) and supports
 // joining the thread handle asynchronously via a provided message loop even
@@ -170,7 +172,7 @@
 // AudioDeviceThread::Callback implementation
 
 AudioDeviceThread::Callback::Callback(
-    const media::AudioParameters& audio_parameters,
+    const AudioParameters& audio_parameters,
     base::SharedMemoryHandle memory, int memory_length)
     : audio_parameters_(audio_parameters),
       samples_per_ms_(audio_parameters.sample_rate() / 1000),
@@ -200,3 +202,5 @@
     audio_data_.push_back(channel_data);
   }
 }
+
+}  // namespace media.