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

content/common/gpu/gpu_command_buffer_stub.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_GPU_COMMAND_BUFFER_STUB_H_
 #define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 15 matching lines @@
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/gpu_preference.h"
 #include "ui/surface/transport_dib.h"
 
 #if defined(OS_MACOSX)
 #include "ui/surface/accelerated_surface_mac.h"
 #endif
 
-class GpuChannel;
-struct GpuMemoryAllocation;
-class GpuVideoDecodeAccelerator;
-class GpuWatchdog;
-
 namespace gpu {
 namespace gles2 {
 class ImageManager;
 class MailboxManager;
 }
 }
 
+namespace content {
+
+class GpuChannel;
+class GpuVideoDecodeAccelerator;
+class GpuWatchdog;
+struct GpuMemoryAllocation;
+
 // This Base class is used to expose methods of GpuCommandBufferStub used for
 // testability.
 class CONTENT_EXPORT GpuCommandBufferStubBase {
  public:
   struct CONTENT_EXPORT MemoryManagerState {
     // Offscreen commandbuffers will not have a surface.
     bool has_surface;
     bool visible;
     bool client_has_memory_allocation_changed_callback;
     // The last used time is determined by the last time that visibility
@@ skipping 233 matching lines @@
   bool delayed_work_scheduled_;
 
   scoped_refptr<gpu::RefCountedCounter> preempt_by_counter_;
 
   GURL active_url_;
   size_t active_url_hash_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_