Standardize usage of virtual/override/final in remoting/

remoting/client/plugin/pepper_plugin_thread_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_CLIENT_PLUGIN_PEPPER_PLUGIN_THREAD_DELEGATE_H_
 #define REMOTING_CLIENT_PLUGIN_PEPPER_PLUGIN_THREAD_DELEGATE_H_
 
 #include "remoting/base/plugin_thread_task_runner.h"
 
 namespace pp {
 class Core;
 }  // namespace pp
 
 namespace remoting {
 
 class PepperPluginThreadDelegate : public PluginThreadTaskRunner::Delegate {
  public:
   PepperPluginThreadDelegate();
-  virtual ~PepperPluginThreadDelegate();
+  ~PepperPluginThreadDelegate() override;
 
-  virtual bool RunOnPluginThread(
-      base::TimeDelta delay, void(CDECL function)(void*), void* data) override;
+  bool RunOnPluginThread(base::TimeDelta delay,
+                         void(CDECL function)(void*),
+                         void* data) override;
 
  private:
   pp::Core* core_;
 };
 
 } // namespace remoting
 
 #endif  // REMOTING_CLIENT_PLUGIN_PEPPER_PLUGIN_THREAD_DELEGATE_H_