Fix virtual/override/final usage in the rest of Source/core/.

Source/core/inspector/InspectorState.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 94 matching lines @@
     void mute();
     void unmute();
 
     InspectorState* createAgentState(const String&);
     void loadFromCookie(const String&);
 
 private:
     typedef WillBeHeapHashMap<String, OwnPtrWillBeMember<InspectorState> > InspectorStateMap;
 
     // From InspectorStateUpdateListener.
-    virtual void inspectorStateUpdated() override;
+    void inspectorStateUpdated() override;
 
     InspectorStateClient* m_client;
     RefPtr<JSONObject> m_stateObject;
     bool m_isMuted;
     InspectorStateMap m_inspectorStateMap;
 };
 
 } // namespace blink
 
 #endif // !defined(InspectorState_h)