Updated OSX to blacklist multisampling when multiple monitors are connected

content/browser/gpu/gpu_data_manager_impl.cc

Index: content/browser/gpu/gpu_data_manager_impl.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl.cc b/content/browser/gpu/gpu_data_manager_impl.cc
index 87a34d24e3054d5b7048d75aaa22f8e96b079f3d..d2a40c861cbf02267e339586027916ed2b05fc28 100644
--- a/content/browser/gpu/gpu_data_manager_impl.cc
+++ b/content/browser/gpu/gpu_data_manager_impl.cc
@@ -222,6 +222,16 @@ size_t GpuDataManagerImpl::GetBlacklistedFeatureCount() const {
   return private_->GetBlacklistedFeatureCount();
 }
 
+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();
+}
+
 void GpuDataManagerImpl::Notify3DAPIBlocked(const GURL& url,
                                             int render_process_id,
                                             int render_view_id,