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

remoting/host/win/worker_process_launcher.h

Index: remoting/host/win/worker_process_launcher.h
diff --git a/remoting/host/win/worker_process_launcher.h b/remoting/host/win/worker_process_launcher.h
index d48b9dc53ca7c7cc030e14e9c23dad1f4f3cb682..f512a2b6eae549bc6b62f763d09d6bf425fbabe7 100644
--- a/remoting/host/win/worker_process_launcher.h
+++ b/remoting/host/win/worker_process_launcher.h
@@ -66,7 +66,7 @@ class WorkerProcessLauncher
   // |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
@@ -102,7 +102,7 @@ class WorkerProcessLauncher
 
   // 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; }