Fix virtual/override/final usage in Source/core/dom/.

Source/core/dom/ProcessingInstruction.h

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 19 matching lines @@
 namespace blink {
 
 class StyleSheet;
 class CSSStyleSheet;
 class EventListener;
 
 class ProcessingInstruction final : public CharacterData, private ResourceOwner<StyleSheetResource> {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<ProcessingInstruction> create(Document&, const String& target, const String& data);
-    virtual ~ProcessingInstruction();
+    ~ProcessingInstruction() override;
     DECLARE_VIRTUAL_TRACE();
 
     const String& target() const { return m_target; }
 
     void setCreatedByParser(bool createdByParser) { m_createdByParser = createdByParser; }
 
     const String& localHref() const { return m_localHref; }
     StyleSheet* sheet() const { return m_sheet.get(); }
 
     bool isCSS() const { return m_isCSS; }
@@ skipping 20 matching lines @@
         virtual void derefDetachableEventListener() = 0;
     };
 
     void setEventListenerForXSLT(PassRefPtr<DetachableEventListener> listener) { m_listenerForXSLT = listener; }
     EventListener* eventListenerForXSLT();
     void clearEventListenerForXSLT();
 
 private:
     ProcessingInstruction(Document&, const String& target, const String& data);
 
-    virtual String nodeName() const override;
-    virtual NodeType nodeType() const override;
-    virtual PassRefPtrWillBeRawPtr<Node> cloneNode(bool deep = true) override;
+    String nodeName() const override;
+    NodeType nodeType() const override;
+    PassRefPtrWillBeRawPtr<Node> cloneNode(bool deep = true) override;
 
-    virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
-    virtual void removedFrom(ContainerNode*) override;
+    InsertionNotificationRequest insertedInto(ContainerNode*) override;
+    void removedFrom(ContainerNode*) override;
 
     bool checkStyleSheet(String& href, String& charset);
     void process(const String& href, const String& charset);
 
-    virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource*) override;
-    virtual void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet) override;
+    void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CSSStyleSheetResource*) override;
+    void setXSLStyleSheet(const String& href, const KURL& baseURL, const String& sheet) override;
 
-    virtual bool sheetLoaded() override;
+    bool sheetLoaded() override;
 
     void parseStyleSheet(const String& sheet);
     void clearSheet();
 
     String m_target;
     String m_localHref;
     String m_title;
     String m_media;
     RefPtrWillBeMember<StyleSheet> m_sheet;
     bool m_loading;
     bool m_alternate;
     bool m_createdByParser;
     bool m_isCSS;
     bool m_isXSL;
 
     RefPtr<DetachableEventListener> m_listenerForXSLT;
 };
 
 DEFINE_NODE_TYPE_CASTS(ProcessingInstruction, nodeType() == Node::PROCESSING_INSTRUCTION_NODE);
 
 inline bool isXSLStyleSheet(const Node& node)
 {
     return node.nodeType() == Node::PROCESSING_INSTRUCTION_NODE && toProcessingInstruction(node).isXSL();
 }
 
 } // namespace blink
 
 #endif // ProcessingInstruction_h