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

content/common/gpu/gpu_channel_manager.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/gpu_channel_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "content/common/child_thread.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_memory_manager.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/sync_point_manager.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/memory_program_cache.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_share_group.h"
 
+namespace content {
+
 GpuChannelManager::ImageOperation::ImageOperation(
     int32 sync_point, base::Closure callback)
     : sync_point(sync_point),
       callback(callback) {
 }
 
 GpuChannelManager::ImageOperation::~ImageOperation() {
 }
 
 GpuChannelManager::GpuChannelManager(ChildThread* gpu_child_thread,
@@ skipping 236 matching lines @@
   gpu_channels_.clear();
 }
 
 gfx::GLSurface* GpuChannelManager::GetDefaultOffscreenSurface() {
   if (!default_offscreen_surface_.get()) {
     default_offscreen_surface_ = gfx::GLSurface::CreateOffscreenGLSurface(
         false, gfx::Size(1, 1));
   }
   return default_offscreen_surface_.get();
 }
+
+}  // namespace content