[GCM] Adding the OnSendAcknowledgement event

components/gcm_driver/fake_gcm_app_handler.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_GCM_DRIVER_FAKE_GCM_APP_HANDLER_H_
 #define COMPONENTS_GCM_DRIVER_FAKE_GCM_APP_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/gcm_driver/gcm_app_handler.h"
@@ skipping 27 matching lines @@
   void WaitForNotification();
 
   // GCMAppHandler implementation.
   virtual void ShutdownHandler() OVERRIDE;
   virtual void OnMessage(const std::string& app_id,
                          const GCMClient::IncomingMessage& message) OVERRIDE;
   virtual void OnMessagesDeleted(const std::string& app_id) OVERRIDE;
   virtual void OnSendError(
       const std::string& app_id,
       const GCMClient::SendErrorDetails& send_error_details) OVERRIDE;
+  virtual void OnSendAcknowledged(const std::string& app_id,
+                                  const std::string& message_id) OVERRIDE;
   virtual void OnConnected(const net::IPEndPoint& ip_endpoint) OVERRIDE;
   virtual void OnDisconnected() OVERRIDE;
 
  private:
   void ClearResults();
 
   scoped_ptr<base::RunLoop> run_loop_;
 
   Event received_event_;
   std::string app_id_;
   GCMClient::IncomingMessage message_;
   GCMClient::SendErrorDetails send_error_details_;
   bool connected_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeGCMAppHandler);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_FAKE_GCM_APP_HANDLER_H_