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

content/common/gpu/media/omx_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_OMX_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <dlfcn.h>
 #include <map>
 #include <queue>
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
 #include "media/video/video_decode_accelerator.h"
 #include "third_party/angle/include/EGL/egl.h"
 #include "third_party/angle/include/EGL/eglext.h"
 #include "third_party/openmax/il/OMX_Component.h"
 #include "third_party/openmax/il/OMX_Core.h"
 #include "third_party/openmax/il/OMX_Video.h"
 
+namespace content {
 class Gles2TextureToEglImageTranslator;
 
 // Class to wrap OpenMAX IL accelerator behind VideoDecodeAccelerator interface.
 // The implementation assumes an OpenMAX IL 1.1.2 implementation conforming to
 // http://www.khronos.org/registry/omxil/specs/OpenMAX_IL_1_1_2_Specification.pdf
 //
 // This class lives on a single thread (the GPU process ChildThread) and DCHECKs
 // that it is never accessed from any other.  OMX callbacks are trampolined from
 // the OMX component's thread to maintain this invariant, using |weak_this()|.
 class CONTENT_EXPORT OmxVideoDecodeAccelerator :
@@ skipping 227 matching lines @@
   // to check later.
   void CheckPictureStatus(int32 picture_buffer_id,
                           scoped_ptr<PictureSyncObject> egl_sync_obj);
 
   // Queue a picture for use by the decoder, either by sending it directly to it
   // via OMX_FillThisBuffer, or by queueing it for later if we are RESETTING.
   void QueuePictureBuffer(int32 picture_buffer_id);
 
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_