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

chrome/browser/profiles/profile_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 CHROME_BROWSER_PROFILES_PROFILE_ANDROID_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 27 matching lines @@
   base::android::ScopedJavaLocalRef<jobject> GetOffTheRecordProfile(
       JNIEnv* env, jobject obj);
 
   // Return whether an off the record profile exists.
   jboolean HasOffTheRecordProfile(JNIEnv* env, jobject obj);
 
   // Whether this profile is off the record.
   jboolean IsOffTheRecord(JNIEnv* env, jobject obj);
 
   explicit ProfileAndroid(Profile* profile);
-  virtual ~ProfileAndroid();
+  ~ProfileAndroid() override;
 
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
 
  private:
   Profile* profile_;  // weak
   base::android::ScopedJavaGlobalRef<jobject> obj_;
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_ANDROID_H_