[Chromoting] Reimplemented the worker process launcher to take into account the encountered issues:

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 6a8ff583e0d782730beceba5b522e7e5a2ad2f58..4a03e8fcf108e805bf150fd0f2cd904fbcfdda8a 100644
--- a/remoting/host/worker_process_ipc_delegate.h
+++ b/remoting/host/worker_process_ipc_delegate.h
@@ -25,6 +25,9 @@ class WorkerProcessIpcDelegate {
 
   // Processes messages sent by the client.
   virtual bool OnMessageReceived(const IPC::Message& message) = 0;
+
+  // Notifies that a permanent error was encountered.
+  virtual void OnPermanentError() = 0;
 };
 
 }  // namespace remoting