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

content/common/gpu/media/dxva_video_decode_accelerator.cc

 // 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.
 
 #include "content/common/gpu/media/dxva_video_decode_accelerator.h"
 
 #if !defined(OS_WIN)
 #error This file should only be built on Windows.
 #endif   // !defined(OS_WIN)
 
@@ skipping 12 matching lines @@
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/shared_memory.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 "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_surface.h"
 
+namespace content {
+
 // We only request 5 picture buffers from the client which are used to hold the
 // decoded samples. These buffers are then reused when the client tells us that
 // it is done with the buffer.
 static const int kNumPictureBuffers = 5;
 
 bool DXVAVideoDecodeAccelerator::pre_sandbox_init_done_ = false;
 uint32 DXVAVideoDecodeAccelerator::dev_manager_reset_token_ = 0;
 IDirect3DDeviceManager9* DXVAVideoDecodeAccelerator::device_manager_ = NULL;
 IDirect3DDevice9Ex* DXVAVideoDecodeAccelerator::device_ = NULL;
 IDirect3DQuery9* DXVAVideoDecodeAccelerator::query_ = NULL;
@@ skipping 1083 matching lines @@
     DoDecode();
     if (!pending_output_samples_.empty())
       return;
   }
 
   MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
       &DXVAVideoDecodeAccelerator::NotifyFlushDone, base::AsWeakPtr(this)));
 
   state_ = kNormal;
 }
+
+}  // namespace content