Implement native web notifications for mac

chrome/browser/notifications/message_center_notification_manager.cc

Index: chrome/browser/notifications/message_center_notification_manager.cc
diff --git a/chrome/browser/notifications/message_center_notification_manager.cc b/chrome/browser/notifications/message_center_notification_manager.cc
index 9ac4fc3cfccc56754e702642320dfaf15e8afb21..4464fe62999647ddb3e4f70f83a2b947b58b8db9 100644
--- a/chrome/browser/notifications/message_center_notification_manager.cc
+++ b/chrome/browser/notifications/message_center_notification_manager.cc
@@ -47,8 +47,7 @@ MessageCenterNotificationManager::MessageCenterNotificationManager(
       settings_provider_(settings_provider.Pass()),
       system_observer_(this),
       stats_collector_(message_center),
-      google_now_stats_collector_(message_center)
-{
+      google_now_stats_collector_(message_center) {
   message_center_->AddObserver(this);
   message_center_->SetNotifierSettingsProvider(settings_provider_.get());
 
@@ -269,6 +268,10 @@ void MessageCenterNotificationManager::CancelAll() {
   message_center_->RemoveAllNotifications(/* by_user */ false);
 }
 
+bool MessageCenterNotificationManager::AcceptNativeNotifications() {
+  return false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // MessageCenter::Observer
 void MessageCenterNotificationManager::OnNotificationRemoved(