[GCM] Add app handler support for connection events

components/gcm_driver/gcm_client_impl_unittest.cc

 // 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.
 
 #include "components/gcm_driver/gcm_client_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 233 matching lines @@
                               GCMClient::Result result) OVERRIDE {}
   virtual void OnMessageReceived(const std::string& registration_id,
                                  const GCMClient::IncomingMessage& message)
       OVERRIDE;
   virtual void OnMessagesDeleted(const std::string& app_id) OVERRIDE;
   virtual void OnMessageSendError(
       const std::string& app_id,
       const gcm::GCMClient::SendErrorDetails& send_error_details) OVERRIDE;
   virtual void OnGCMReady() OVERRIDE;
   virtual void OnActivityRecorded() OVERRIDE {}
+  virtual void OnConnected(const net::IPEndPoint& ip_endpoint) OVERRIDE {}
+  virtual void OnDisconnected() OVERRIDE {}
 
   GCMClientImpl* gcm_client() const { return gcm_client_.get(); }
   FakeMCSClient* mcs_client() const {
     return reinterpret_cast<FakeMCSClient*>(gcm_client_->mcs_client_.get());
   }
   ConnectionFactory* connection_factory() const {
     return gcm_client_->connection_factory_.get();
   }
 
   void reset_last_event() {
@@ skipping 567 matching lines @@
 TEST_F(GCMClientImplStartAndStopTest, StartStopAndRestartImmediately) {
   // Start the GCM and then stop and restart it immediately.
   gcm_client()->Start();
   gcm_client()->Stop();
   gcm_client()->Start();
 
   PumpLoopUntilIdle();
 }
 
 }  // namespace gcm