[GCM] Add app handler support for connection events

components/invalidation/gcm_invalidation_bridge.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_INVALIDATION_GCM_INVALIDATION_BRIDGE_H_
 #define COMPONENTS_INVALIDATION_GCM_INVALIDATION_BRIDGE_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 30 matching lines @@
                         IdentityProvider* identity_provider);
   virtual ~GCMInvalidationBridge();
 
   // OAuth2TokenService::Consumer implementation.
   virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
                                  const std::string& access_token,
                                  const base::Time& expiration_time) OVERRIDE;
   virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
                                  const GoogleServiceAuthError& error) OVERRIDE;
 
-  // gcm::GCMEventRouter implementation.
+  // gcm::GCMAppHandler implementation.
   virtual void ShutdownHandler() OVERRIDE;
-  virtual void OnMessage(const std::string& app_id,
-                         const gcm::GCMClient::IncomingMessage& message)
-      OVERRIDE;
+  virtual void OnMessage(
+      const std::string& app_id,
+      const gcm::GCMClient::IncomingMessage& message) OVERRIDE;
   virtual void OnMessagesDeleted(const std::string& app_id) OVERRIDE;
   virtual void OnSendError(
       const std::string& app_id,
       const gcm::GCMClient::SendErrorDetails& send_error_details) OVERRIDE;
+  virtual void OnConnected(const net::IPEndPoint& ip_endpoint) OVERRIDE;
+  virtual void OnDisconnected() OVERRIDE;
 
   scoped_ptr<syncer::GCMNetworkChannelDelegate> CreateDelegate();
 
   void CoreInitializationDone(
       base::WeakPtr<Core> core,
       scoped_refptr<base::SingleThreadTaskRunner> core_thread_task_runner);
 
   // Functions reflecting GCMNetworkChannelDelegate interface. These are called
   // on UI thread to perform actual work.
   void RequestToken(
@@ skipping 23 matching lines @@
   bool subscribed_for_incoming_messages_;
 
   base::WeakPtrFactory<GCMInvalidationBridge> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMInvalidationBridge);
 };
 
 }  // namespace invalidation
 
 #endif  // COMPONENTS_INVALIDATION_GCM_INVALIDATION_BRIDGE_H_