Move a bunch of code in content\common (as well as a few left in renderer) to the content namespace.

content/common/gpu/media/gpu_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/gpu_video_decode_accelerator.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 18 matching lines @@
 #elif defined(OS_MACOSX)
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "content/common/gpu/media/mac_video_decode_accelerator.h"
 #endif
 
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "ui/gfx/size.h"
 
 using gpu::gles2::TextureManager;
 
+namespace content {
+
 static bool MakeDecoderContextCurrent(
     const base::WeakPtr<GpuCommandBufferStub> stub) {
   if (!stub) {
     DLOG(ERROR) << "Stub is gone; won't MakeCurrent().";
     return false;
   }
 
   if (!stub->decoder()->MakeCurrent()) {
     DLOG(ERROR) << "Failed to MakeCurrent()";
     return false;
@@ skipping 248 matching lines @@
   if (stub_) {
     stub_->RemoveDestructionObserver(this);
     stub_.reset();
   }
 }
 
 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
   DCHECK(sender_);
   return sender_->Send(message);
 }
+
+}  // namespace content