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

Source/core/inspector/InspectorInspectorAgent.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 34 matching lines @@
 typedef String ErrorString;
 
 class CORE_EXPORT InspectorInspectorAgent final : public InspectorBaseAgent<InspectorInspectorAgent, InspectorFrontend::Inspector>, public InspectorBackendDispatcher::InspectorCommandHandler {
     WTF_MAKE_NONCOPYABLE(InspectorInspectorAgent);
 public:
     static PassOwnPtrWillBeRawPtr<InspectorInspectorAgent> create(InjectedScriptManager* injectedScriptManager)
     {
         return adoptPtrWillBeNoop(new InspectorInspectorAgent(injectedScriptManager));
     }
 
-    virtual ~InspectorInspectorAgent();
+    ~InspectorInspectorAgent() override;
     DECLARE_VIRTUAL_TRACE();
 
     // Inspector front-end API.
     void enable(ErrorString*) override;
 
     // InspectorAgent overrides.
     void disable(ErrorString*) override;
     void didCommitLoadForLocalFrame(LocalFrame*) override;
     void restore() override;
 
     // Generic code called from custom implementations.
     void evaluateForTestInFrontend(long testCallId, const String& script);
 
     void inspect(PassRefPtr<TypeBuilder::Runtime::RemoteObject> objectToInspect, PassRefPtr<JSONObject> hints);
 
 private:
     explicit InspectorInspectorAgent(InjectedScriptManager*);
 
     RawPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager;
 
     Vector<pair<long, String> > m_pendingEvaluateTestCommands;
 };
 
 } // namespace blink
 
 #endif // !defined(InspectorInspectorAgent_h)