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

Source/core/inspector/InspectorWorkerAgent.cpp

 /*
  * 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 44 matching lines @@
 public:
     WorkerAgentClient(InspectorFrontend::Worker* frontend, WorkerInspectorProxy* proxy, const String& id, PageConsoleAgent* consoleAgent)
         : m_frontend(frontend)
         , m_proxy(proxy)
         , m_id(id)
         , m_connected(false)
         , m_consoleAgent(consoleAgent)
     {
         ASSERT(!proxy->pageInspector());
     }
-    virtual ~WorkerAgentClient()
+    ~WorkerAgentClient() override
     {
         disconnectFromWorker();
     }
 
     String id() const { return m_id; }
     WorkerInspectorProxy* proxy() const { return m_proxy; }
 
     void connectToWorker()
     {
         if (m_connected)
             return;
         m_connected = true;
         m_proxy->connectToInspector(this);
     }
 
     void disconnectFromWorker()
     {
         if (!m_connected)
             return;
         m_connected = false;
         m_proxy->disconnectFromInspector();
     }
 
 private:
     // WorkerInspectorProxy::PageInspector implementation
-    virtual void dispatchMessageFromWorker(const String& message) override
+    void dispatchMessageFromWorker(const String& message) override
     {
         m_frontend->dispatchMessageFromWorker(m_id, message);
     }
     // WorkerInspectorProxy::PageInspector implementation
-    virtual void workerConsoleAgentEnabled(WorkerGlobalScopeProxy* proxy) override
+    void workerConsoleAgentEnabled(WorkerGlobalScopeProxy* proxy) override
     {
         m_consoleAgent->workerConsoleAgentEnabled(proxy);
     }
 
     InspectorFrontend::Worker* m_frontend;
     WorkerInspectorProxy* m_proxy;
     String m_id;
     bool m_connected;
     PageConsoleAgent* m_consoleAgent;
 };
@@ skipping 130 matching lines @@
     m_idToClient.set(id, client);
 
     ASSERT(frontend());
     bool autoconnectToWorkers = m_state->getBoolean(WorkerAgentState::autoconnectToWorkers);
     if (autoconnectToWorkers)
         client->connectToWorker();
     frontend()->workerCreated(id, url, autoconnectToWorkers);
 }
 
 } // namespace blink