[GCM] Add heartbeat manager and reconnection logic due to heartbeat failure

google_apis/gcm/engine/fake_connection_factory.cc

 // Copyright 2013 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 "google_apis/gcm/engine/fake_connection_factory.h"
 
 #include "google_apis/gcm/engine/fake_connection_handler.h"
 #include "google_apis/gcm/protocol/mcs.pb.h"
 #include "net/socket/stream_socket.h"
 
@@ skipping 14 matching lines @@
                                                       write_callback));
 }
 
 ConnectionHandler* FakeConnectionFactory::GetConnectionHandler() const {
   return connection_handler_.get();
 }
 
 void FakeConnectionFactory::Connect() {
   mcs_proto::LoginRequest login_request;
   request_builder_.Run(&login_request);
-  connection_handler_->Init(login_request, scoped_ptr<net::StreamSocket>());
+  connection_handler_->Init(login_request, NULL);
 }
 
 bool FakeConnectionFactory::IsEndpointReachable() const {
   return connection_handler_.get() && connection_handler_->CanSendMessage();
 }
 
 base::TimeTicks FakeConnectionFactory::NextRetryAttempt() const {
   return base::TimeTicks();
 }
 
 void FakeConnectionFactory::SignalConnectionReset() {
   Connect();
 }
 
 }  // namespace gcm