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

chrome/browser/autofill/android/personal_data_manager_android.h

Index: chrome/browser/autofill/android/personal_data_manager_android.h
diff --git a/chrome/browser/autofill/android/personal_data_manager_android.h b/chrome/browser/autofill/android/personal_data_manager_android.h
index b951ff2704a9833ab108e72560ccdb2671af59d7..ed818a315dc48671354e91f76a0a79fc3684462a 100644
--- a/chrome/browser/autofill/android/personal_data_manager_android.h
+++ b/chrome/browser/autofill/android/personal_data_manager_android.h
@@ -88,13 +88,13 @@ class PersonalDataManagerAndroid : public PersonalDataManagerObserver {
   void ClearUnmaskedCache(JNIEnv* env, jobject unused_obj);
 
   // PersonalDataManagerObserver:
-  virtual void OnPersonalDataChanged() override;
+  void OnPersonalDataChanged() override;
 
   // Registers the JNI bindings for this class.
   static bool Register(JNIEnv* env);
 
  private:
-  virtual ~PersonalDataManagerAndroid();
+  ~PersonalDataManagerAndroid() override;
 
   // Pointer to the java counterpart.
   JavaObjectWeakGlobalRef weak_java_obj_;