Move a bunch of html5 renderer code to content.

content/renderer/audio_device.h

Index: content/renderer/audio_device.h
===================================================================
--- content/renderer/audio_device.h	(revision 78436)
+++ content/renderer/audio_device.h	(working copy)
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_RENDERER_AUDIO_DEVICE_H_
-#define CHROME_RENDERER_AUDIO_DEVICE_H_
+#ifndef CONTENT_RENDERER_AUDIO_DEVICE_H_
+#define CONTENT_RENDERER_AUDIO_DEVICE_H_
 #pragma once
 
 #include <vector>
@@ -12,7 +12,7 @@
 #include "base/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/threading/simple_thread.h"
-#include "chrome/renderer/audio_message_filter.h"
+#include "content/renderer/audio_message_filter.h"
 
 // Each instance of AudioDevice corresponds to one host stream.
 // This class is not thread-safe, so its methods must be called from
@@ -81,4 +81,4 @@
   DISALLOW_COPY_AND_ASSIGN(AudioDevice);
 };
 
-#endif  // CHROME_RENDERER_AUDIO_DEVICE_H_
+#endif  // CONTENT_RENDERER_AUDIO_DEVICE_H_