[Chromoting] Use ProcessStatsSender in DaemonProcess (daemon process)

remoting/host/worker_process_ipc_delegate.h

 // Copyright (c) 2012 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 REMOTING_HOST_WORKER_PROCESS_IPC_DELEGATE_H_
 #define REMOTING_HOST_WORKER_PROCESS_IPC_DELEGATE_H_
 
 #include <stdint.h>
 
 #include "base/compiler_specific.h"
@@ skipping 11 matching lines @@
   virtual ~WorkerProcessIpcDelegate() {}
 
   // Notifies that a client has been connected to the channel.
   virtual void OnChannelConnected(int32_t peer_pid) = 0;
 
   // Processes messages sent by the client.
   virtual bool OnMessageReceived(const IPC::Message& message) = 0;
 
   // Notifies that a permanent error was encountered.
   virtual void OnPermanentError(int exit_code) = 0;
+
+  // Notifies that the worker process stops for any reason.
+  virtual void OnWorkerProcessStopped() = 0;
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_WORKER_PROCESS_IPC_DELEGATE_H_