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

Source/core/editing/CompositeEditCommand.h

 /*
  * Copyright (C) 2005, 2006, 2008 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 26 matching lines @@
 class Element;
 class HTMLBRElement;
 class HTMLElement;
 class HTMLSpanElement;
 class Text;
 
 class EditCommandComposition final : public UndoStep {
 public:
     static PassRefPtrWillBeRawPtr<EditCommandComposition> create(Document*, const VisibleSelection&, const VisibleSelection&, EditAction);
 
-    virtual bool belongsTo(const LocalFrame&) const override;
-    virtual void unapply() override;
-    virtual void reapply() override;
-    virtual EditAction editingAction() const override { return m_editAction; }
+    bool belongsTo(const LocalFrame&) const override;
+    void unapply() override;
+    void reapply() override;
+    EditAction editingAction() const override { return m_editAction; }
     void append(SimpleEditCommand*);
 
     const VisibleSelection& startingSelection() const { return m_startingSelection; }
     const VisibleSelection& endingSelection() const { return m_endingSelection; }
     void setStartingSelection(const VisibleSelection&);
     void setEndingSelection(const VisibleSelection&);
     Element* startingRootEditableElement() const { return m_startingRootEditableElement.get(); }
     Element* endingRootEditableElement() const { return m_endingRootEditableElement.get(); }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     EditCommandComposition(Document*, const VisibleSelection& startingSelection, const VisibleSelection& endingSelection, EditAction);
 
     RefPtrWillBeMember<Document> m_document;
     VisibleSelection m_startingSelection;
     VisibleSelection m_endingSelection;
     WillBeHeapVector<RefPtrWillBeMember<SimpleEditCommand>> m_commands;
     RefPtrWillBeMember<Element> m_startingRootEditableElement;
     RefPtrWillBeMember<Element> m_endingRootEditableElement;
     EditAction m_editAction;
 };
 
 class CompositeEditCommand : public EditCommand {
 public:
-    virtual ~CompositeEditCommand();
+    ~CompositeEditCommand() override;
 
     void apply();
     bool isFirstCommand(EditCommand* command) { return !m_commands.isEmpty() && m_commands.first() == command; }
     EditCommandComposition* composition() { return m_composition.get(); }
     EditCommandComposition* ensureComposition();
 
     virtual bool isTypingCommand() const;
     virtual bool preservesTypingStyle() const;
     virtual void setShouldRetainAutocorrectionIndicator(bool);
     virtual bool shouldStopCaretBlinking() const { return false; }
@@ skipping 76 matching lines @@
     bool breakOutOfEmptyListItem();
     bool breakOutOfEmptyMailBlockquotedParagraph();
 
     Position positionAvoidingSpecialElementBoundary(const Position&);
 
     PassRefPtrWillBeRawPtr<Node> splitTreeToNode(Node*, Node*, bool splitAncestor = false);
 
     WillBeHeapVector<RefPtrWillBeMember<EditCommand>> m_commands;
 
 private:
-    virtual bool isCompositeEditCommand() const override final { return true; }
+    bool isCompositeEditCommand() const final { return true; }
 
     RefPtrWillBeMember<EditCommandComposition> m_composition;
 };
 
 DEFINE_TYPE_CASTS(CompositeEditCommand, EditCommand, command, command->isCompositeEditCommand(), command.isCompositeEditCommand());
 
 } // namespace blink
 
 #endif // CompositeEditCommand_h