Route newly created notifications to notification provider API.

chrome/browser/notifications/message_center_notification_manager.h

Index: chrome/browser/notifications/message_center_notification_manager.h
diff --git a/chrome/browser/notifications/message_center_notification_manager.h b/chrome/browser/notifications/message_center_notification_manager.h
index e8400f935431a3e0ba77a9224d8d99a7ab95e9d1..e030fac28b0b0515c1aefc5273a277f7d6fb42ec 100644
--- a/chrome/browser/notifications/message_center_notification_manager.h
+++ b/chrome/browser/notifications/message_center_notification_manager.h
@@ -206,6 +206,16 @@ class MessageCenterNotificationManager
   // notification is found.
   ProfileNotification* FindProfileNotification(const std::string& id) const;
 
+  // Route Notifications to an app/extension, instead of sending to Chrome
+  // Notification Center.
+  void RouteNotificationToAlternateProvider(const Notification& notification,
+                                            Profile* profile,
+                                            std::string extension_id);
+
+  // Get the extension ID of the extension that the user chose to take over
+  // Chorme Notification Center.
+  std::string GetExtensionTakingOverNotifications(Profile* profile);
+
 #if defined(OS_WIN)
   // This function is run on update to ensure that the notification balloon is
   // shown only when there are no popups present.