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

content/public/test/nested_message_pump_android.h

 // Copyright 2013 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 CONTENT_PUBLIC_TEST_NESTED_MESSAGE_PUMP_ANDROID_
 #define CONTENT_PUBLIC_TEST_NESTED_MESSAGE_PUMP_ANDROID_
 
 #include "base/android/jni_android.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_pump_android.h"
 
 namespace content {
 
 // A nested message pump to be used for content browsertests and layout tests
 // on Android. It overrides the default UI message pump to allow nested loops.
 class NestedMessagePumpAndroid : public base::MessagePumpForUI {
  public:
   NestedMessagePumpAndroid();
 
-  virtual void Run(Delegate* delegate) override;
-  virtual void Quit() override;
-  virtual void ScheduleWork() override;
-  virtual void ScheduleDelayedWork(
-      const base::TimeTicks& delayed_work_time) override;
-  virtual void Start(Delegate* delegate) override;
+  void Run(Delegate* delegate) override;
+  void Quit() override;
+  void ScheduleWork() override;
+  void ScheduleDelayedWork(const base::TimeTicks& delayed_work_time) override;
+  void Start(Delegate* delegate) override;
 
   static bool RegisterJni(JNIEnv* env);
 
  protected:
-  virtual ~NestedMessagePumpAndroid();
+  ~NestedMessagePumpAndroid() override;
 
  private:
   // We may make recursive calls to Run, so we save state that needs to be
   // separate between them in this structure type.
   struct RunState;
 
   RunState* state_;
 
   DISALLOW_COPY_AND_ASSIGN(NestedMessagePumpAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_NESTED_MESSAGE_PUMP_ANDROID_