Clean up mac gpu switching code a little.

content/browser/gpu/gpu_data_manager_impl.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_data_manager_impl.h"
 
 #include "content/browser/gpu/gpu_data_manager_impl_private.h"
 
 namespace content {
 
@@ skipping 223 matching lines @@
 void GpuDataManagerImpl::SetDisplayCount(unsigned int display_count) {
   base::AutoLock auto_lock(lock_);
   private_->SetDisplayCount(display_count);
 }
 
 unsigned int GpuDataManagerImpl::GetDisplayCount() const {
   base::AutoLock auto_lock(lock_);
   return private_->GetDisplayCount();
 }
 
+bool GpuDataManagerImpl::UpdateActiveGpu(uint32 vendor_id, uint32 device_id) {
+  base::AutoLock auto_lock(lock_);
+  return private_->UpdateActiveGpu(vendor_id, device_id);
+}
+
 void GpuDataManagerImpl::Notify3DAPIBlocked(const GURL& url,
                                             int render_process_id,
                                             int render_view_id,
                                             ThreeDAPIType requester) {
   base::AutoLock auto_lock(lock_);
   private_->Notify3DAPIBlocked(
       url, render_process_id, render_view_id, requester);
 }
 
 void GpuDataManagerImpl::OnGpuProcessInitFailure() {
   base::AutoLock auto_lock(lock_);
   private_->OnGpuProcessInitFailure();
 }
 
 GpuDataManagerImpl::GpuDataManagerImpl()
     : private_(GpuDataManagerImplPrivate::Create(this)) {
 }
 
 GpuDataManagerImpl::~GpuDataManagerImpl() {
 }
 
 }  // namespace content