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

chrome/browser/ui/android/autofill/card_unmask_prompt_view_android.h

 // Copyright 2014 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 CHROME_BROWSER_UI_ANDROID_AUTOFILL_CARD_UNMASK_PROMPT_VIEW_ANDROID_H_
 #define CHROME_BROWSER_UI_ANDROID_AUTOFILL_CARD_UNMASK_PROMPT_VIEW_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/jni_string.h"
@@ skipping 18 matching lines @@
   void PromptDismissed(JNIEnv* env, jobject obj);
 
   // CardUnmaskPromptView implementation.
   void ControllerGone() override;
   void DisableAndWaitForVerification() override;
   void GotVerificationResult(bool success) override;
 
   static bool Register(JNIEnv* env);
 
  private:
-  virtual ~CardUnmaskPromptViewAndroid();
+  ~CardUnmaskPromptViewAndroid() override;
 
   // The corresponding java object.
   base::android::ScopedJavaGlobalRef<jobject> java_object_;
 
   CardUnmaskPromptController* controller_;
 
   DISALLOW_COPY_AND_ASSIGN(CardUnmaskPromptViewAndroid);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_ANDROID_AUTOFILL_CARD_UNMASK_PROMPT_VIEW_ANDROID_H_