Move a bunch of content\common code into the content namespace.

content/common/gpu/media/dxva_video_decode_accelerator.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <d3d9.h>
 #include <dxva2api.h>
 #include <list>
 #include <map>
 #include <mfidl.h>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/win/scoped_comptr.h"
 #include "content/common/content_export.h"
 #include "media/video/video_decode_accelerator.h"
 
 interface IMFSample;
 interface IDirect3DSurface9;
 
+namespace content {
+
 // Class to provide a DXVA 2.0 based accelerator using the Microsoft Media
 // foundation APIs via the VideoDecodeAccelerator interface.
 // This class lives on a single thread and DCHECKs that it is never accessed
 // from any other.
 class CONTENT_EXPORT DXVAVideoDecodeAccelerator
     : public media::VideoDecodeAccelerator,
       NON_EXPORTED_BASE(public base::NonThreadSafe) {
  public:
   enum State {
     kUninitialized,   // un-initialized.
@@ skipping 175 matching lines @@
   static bool pre_sandbox_init_done_;
 
   // List of input samples waiting to be processed.
   typedef std::list<media::BitstreamBuffer> PendingInputs;
   PendingInputs pending_input_buffers_;
 
   // Callback to set the correct gl context.
   base::Callback<bool(void)> make_context_current_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_