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

Source/core/page/EventSource.h

 /*
  * Copyright (C) 2009, 2012 Ericsson AB. All rights reserved.
  * Copyright (C) 2010 Apple 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 38 matching lines @@
 class ResourceResponse;
 class TextResourceDecoder;
 class ThreadableLoader;
 
 class EventSource final : public RefCountedGarbageCollectedEventTargetWithInlineData<EventSource>, private ThreadableLoaderClient, public ActiveDOMObject {
     DEFINE_WRAPPERTYPEINFO();
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(EventSource);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(EventSource);
 public:
     static EventSource* create(ExecutionContext*, const String& url, const EventSourceInit&, ExceptionState&);
-    virtual ~EventSource();
+    ~EventSource() override;
 
     static const unsigned long long defaultReconnectDelay;
 
     String url() const;
     bool withCredentials() const;
 
     typedef short State;
     static const State CONNECTING = 0;
     static const State OPEN = 1;
     static const State CLOSED = 2;
 
     State readyState() const;
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(open);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
 
     void close();
 
-    virtual const AtomicString& interfaceName() const override;
-    virtual ExecutionContext* executionContext() const override;
+    const AtomicString& interfaceName() const override;
+    ExecutionContext* executionContext() const override;
 
     // ActiveDOMObject
     //
     // Note: suspend() is noop since ScopedPageLoadDeferrer calls
     // Page::setDefersLoading() and it defers delivery of events from the
     // loader, and therefore the methods of this class for receiving
     // asynchronous events from the loader won't be invoked.
-    virtual void stop() override;
+    void stop() override;
 
-    virtual bool hasPendingActivity() const override;
+    bool hasPendingActivity() const override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     EventSource(ExecutionContext*, const KURL&, const EventSourceInit&);
 
-    virtual void didReceiveResponse(unsigned long, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
-    virtual void didReceiveData(const char*, unsigned) override;
-    virtual void didFinishLoading(unsigned long, double) override;
-    virtual void didFail(const ResourceError&) override;
-    virtual void didFailAccessControlCheck(const ResourceError&) override;
-    virtual void didFailRedirectCheck() override;
+    void didReceiveResponse(unsigned long, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
+    void didReceiveData(const char*, unsigned) override;
+    void didFinishLoading(unsigned long, double) override;
+    void didFail(const ResourceError&) override;
+    void didFailAccessControlCheck(const ResourceError&) override;
+    void didFailRedirectCheck() override;
 
     void scheduleInitialConnect();
     void connect();
     void networkRequestEnded();
     void scheduleReconnect();
     void connectTimerFired(Timer<EventSource>*);
     void abortConnectionAttempt();
     void parseEventStream();
     void parseEventStreamLine(unsigned pos, int fieldLength, int lineLength);
     PassRefPtrWillBeRawPtr<MessageEvent> createMessageEvent();
@@ skipping 13 matching lines @@
     Vector<UChar> m_data;
     AtomicString m_currentlyParsedEventId;
     AtomicString m_lastEventId;
     unsigned long long m_reconnectDelay;
     String m_eventStreamOrigin;
 };
 
 } // namespace blink
 
 #endif // EventSource_h