Update {virtual,override} to follow C++11 style in remoting.

remoting/host/win/worker_process_launcher.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_WIN_WORKER_PROCESS_LAUNCHER_H_
 #define REMOTING_HOST_WIN_WORKER_PROCESS_LAUNCHER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 48 matching lines @@
 
     // Terminates the worker process and closes the IPC channel.
     virtual void KillProcess() = 0;
   };
 
   // Creates the launcher that will use |launcher_delegate| to manage the worker
   // process and |ipc_handler| to handle IPCs. The caller must ensure that
   // |ipc_handler| must outlive this object.
   WorkerProcessLauncher(scoped_ptr<Delegate> launcher_delegate,
                         WorkerProcessIpcDelegate* ipc_handler);
-  virtual ~WorkerProcessLauncher();
+  ~WorkerProcessLauncher() override;
 
   // Asks the worker process to crash and generate a dump, and closes the IPC
   // channel. |location| is passed to the worker so that it is on the stack in
   // the dump. Restarts the worker process forcefully, if it does
   // not exit on its own.
   void Crash(const tracked_objects::Location& location);
 
   // Sends an IPC message to the worker process. The message will be silently
   // dropped if Send() is called before Start() or after stutdown has been
   // initiated.
@@ skipping 15 matching lines @@
   // has to validate |peer_pid| if necessary.
   bool OnMessageReceived(const IPC::Message& message);
   void OnChannelConnected(int32 peer_pid);
   void OnChannelError();
 
  private:
   friend class WorkerProcessLauncherTest;
 
   // base::win::ObjectWatcher::Delegate implementation used to watch for
   // the worker process exiting.
-  virtual void OnObjectSignaled(HANDLE object) override;
+  void OnObjectSignaled(HANDLE object) override;
 
   // Returns true when the object is being destroyed.
   bool stopping() const { return ipc_handler_ == nullptr; }
 
   // Attempts to launch the worker process. Schedules next launch attempt if
   // creation of the process fails.
   void LaunchWorker();
 
   // Called to record outcome of a launch attempt: success or failure.
   void RecordLaunchResult();
@@ skipping 44 matching lines @@
 
   // The handle of the worker process, if launched.
   base::win::ScopedHandle worker_process_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkerProcessLauncher);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_WIN_WORKER_PROCESS_LAUNCHER_H_