Merge gpu_switching_list into gpu_driver_bug_list.

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 "gpu/config/gpu_switching_list.h"
-
-#include "gpu/config/gpu_switching_option.h"
-
-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 gpu
-