[Chromoting] Use ProcessStatsSender in DaemonProcess (daemon process)

remoting/host/worker_process_ipc_delegate.h

Index: remoting/host/worker_process_ipc_delegate.h
diff --git a/remoting/host/worker_process_ipc_delegate.h b/remoting/host/worker_process_ipc_delegate.h
index 9ba4cb0fcf338e1dc1217dc123bbedbedd179d8d..fe825040b3ffff612b660fe4b443e1b6bbbdfbf8 100644
--- a/remoting/host/worker_process_ipc_delegate.h
+++ b/remoting/host/worker_process_ipc_delegate.h
@@ -29,6 +29,9 @@ class WorkerProcessIpcDelegate {
 
   // 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