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

content/browser/web_contents/web_contents_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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 14 matching lines @@
 
 // Android wrapper around WebContents that provides safer passage from java and
 // back to native and provides java with a means of communicating with its
 // native counterpart.
 class CONTENT_EXPORT WebContentsAndroid
     : public base::SupportsUserData::Data {
  public:
   static bool Register(JNIEnv* env);
 
   explicit WebContentsAndroid(WebContents* web_contents);
-  virtual ~WebContentsAndroid();
+  ~WebContentsAndroid() override;
 
   WebContents* web_contents() const { return web_contents_; }
 
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
 
   // Methods called from Java
   base::android::ScopedJavaLocalRef<jstring> GetTitle(JNIEnv* env,
                                                       jobject obj) const;
   base::android::ScopedJavaLocalRef<jstring> GetVisibleURL(JNIEnv* env,
                                                            jobject obj) const;
@@ skipping 77 matching lines @@
   base::android::ScopedJavaGlobalRef<jobject> obj_;
 
   base::WeakPtrFactory<WebContentsAndroid> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_