Added GPU driver workaround for OSX multimonitor multisampling disabling

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 11 matching lines @@
     const std::string& gpu_blacklist_json, const gpu::GPUInfo& gpu_info) {
   base::AutoLock auto_lock(lock_);
   private_->InitializeForTesting(gpu_blacklist_json, gpu_info);
 }
 
 bool GpuDataManagerImpl::IsFeatureBlacklisted(int feature) const {
   base::AutoLock auto_lock(lock_);
   return private_->IsFeatureBlacklisted(feature);
 }
 
+bool GpuDataManagerImpl::IsDriverBugWorkaroundActive(int feature) const {
+  base::AutoLock auto_lock(lock_);
+  return private_->IsDriverBugWorkaroundActive(feature);
+}
+
 gpu::GPUInfo GpuDataManagerImpl::GetGPUInfo() const {
   base::AutoLock auto_lock(lock_);
   return private_->GetGPUInfo();
 }
 
 void GpuDataManagerImpl::GetGpuProcessHandles(
     const GetGpuProcessHandlesCallback& callback) const {
   base::AutoLock auto_lock(lock_);
   private_->GetGpuProcessHandles(callback);
 }
@@ skipping 221 matching lines @@
 }
 
 GpuDataManagerImpl::GpuDataManagerImpl()
     : private_(GpuDataManagerImplPrivate::Create(this)) {
 }
 
 GpuDataManagerImpl::~GpuDataManagerImpl() {
 }
 
 }  // namespace content