Move GPU device/driver info related code from content to gpu.

gpu/config/gpu_switching_list.cc

 // Copyright (c) 2013 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/browser/gpu/gpu_switching_list.h"
+#include "gpu/config/gpu_switching_list.h"
 
-#include "content/public/common/gpu_switching_option.h"
+#include "gpu/config/gpu_switching_option.h"
 
-namespace content {
+namespace gpu {
 
 GpuSwitchingList::GpuSwitchingList()
     : GpuControlList() {
 }
 
 GpuSwitchingList::~GpuSwitchingList() {
 }
 
 // static
 GpuSwitchingList* GpuSwitchingList::Create() {
   GpuSwitchingList* list = new GpuSwitchingList();
   list->AddSupportedFeature("force_integrated",
                             GPU_SWITCHING_OPTION_FORCE_INTEGRATED);
   list->AddSupportedFeature("force_discrete",
                             GPU_SWITCHING_OPTION_FORCE_DISCRETE);
   return list;
 }
 
-}  // namespace content
+}  // namespace gpu