[Sync] Make P2PNotifier behave more like InvalidationNotifier

chrome/browser/sync/notifier/non_blocking_invalidation_notifier.h

 // Copyright (c) 2011 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.
 //
 // An implementation of SyncNotifier that wraps InvalidationNotifier
 // on its own thread.
 
 #ifndef CHROME_BROWSER_SYNC_NOTIFIER_NON_BLOCKING_INVALIDATION_NOTIFIER_H_
 #define CHROME_BROWSER_SYNC_NOTIFIER_NON_BLOCKING_INVALIDATION_NOTIFIER_H_
 #pragma once
@@ skipping 21 matching lines @@
   virtual ~NonBlockingInvalidationNotifier();
 
   // SyncNotifier implementation.
   virtual void AddObserver(SyncNotifierObserver* observer) OVERRIDE;
   virtual void RemoveObserver(SyncNotifierObserver* observer) OVERRIDE;
   virtual void SetUniqueId(const std::string& unique_id) OVERRIDE;
   virtual void SetState(const std::string& state) OVERRIDE;
   virtual void UpdateCredentials(
       const std::string& email, const std::string& token) OVERRIDE;
   virtual void UpdateEnabledTypes(
-      const syncable::ModelTypeSet& types) OVERRIDE;
-  virtual void SendNotification() OVERRIDE;
+      const syncable::ModelTypeSet& enabled_types) OVERRIDE;
+  virtual void SendNotification(
+      const syncable::ModelTypeSet& changed_types) OVERRIDE;
 
  private:
   // The real guts of NonBlockingInvalidationNotifier, which allows this class
   // to not be refcounted.
   class Core;
   scoped_refptr<Core> core_;
   scoped_refptr<base::MessageLoopProxy> parent_message_loop_proxy_;
   scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
   DISALLOW_COPY_AND_ASSIGN(NonBlockingInvalidationNotifier);
 };
 
 }  // namespace sync_notifier
 
 #endif  // CHROME_BROWSER_SYNC_NOTIFIER_NON_BLOCKING_INVALIDATION_NOTIFIER_H_