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

content/common/gpu/image_transport_surface.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.
 
 #if defined(ENABLE_GPU)
 
 #include "content/common/gpu/image_transport_surface.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_channel_manager.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "gpu/command_buffer/service/gpu_scheduler.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/gl/gl_implementation.h"
 
+namespace content {
+
 ImageTransportSurface::ImageTransportSurface() {}
 
 ImageTransportSurface::~ImageTransportSurface() {}
 
 void ImageTransportSurface::OnSetFrontSurfaceIsProtected(
     bool is_protected, uint32 protection_state_id) {
 }
 
 void ImageTransportSurface::GetRegionsToCopy(
     const gfx::Rect& previous_damage_rect,
@@ skipping 299 matching lines @@
     Resize(new_size_);
   }
 }
 
 gfx::Size PassThroughImageTransportSurface::GetSize() {
   return GLSurfaceAdapter::GetSize();
 }
 
 PassThroughImageTransportSurface::~PassThroughImageTransportSurface() {}
 
+}  // namespace content
+
 #endif  // defined(ENABLE_GPU)