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

Source/core/editing/TypingCommand.h

 /*
  * Copyright (C) 2005, 2006, 2007, 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 78 matching lines @@
     }
 
     TypingCommand(Document&, ETypingCommand, const String& text, Options, TextGranularity, TextCompositionType);
 
     void setSmartDelete(bool smartDelete) { m_smartDelete = smartDelete; }
     bool isOpenForMoreTyping() const { return m_openForMoreTyping; }
     void closeTyping() { m_openForMoreTyping = false; }
 
     static PassRefPtrWillBeRawPtr<TypingCommand> lastTypingCommandIfStillOpenForTyping(LocalFrame*);
 
-    virtual void doApply() override;
-    virtual EditAction editingAction() const override;
-    virtual bool isTypingCommand() const override;
-    virtual bool preservesTypingStyle() const override { return m_preservesTypingStyle; }
-    virtual void setShouldRetainAutocorrectionIndicator(bool retain) override { m_shouldRetainAutocorrectionIndicator = retain; }
-    virtual bool shouldStopCaretBlinking() const override { return true; }
+    void doApply() override;
+    EditAction editingAction() const override;
+    bool isTypingCommand() const override;
+    bool preservesTypingStyle() const override { return m_preservesTypingStyle; }
+    void setShouldRetainAutocorrectionIndicator(bool retain) override { m_shouldRetainAutocorrectionIndicator = retain; }
+    bool shouldStopCaretBlinking() const override { return true; }
     void setShouldPreventSpellChecking(bool prevent) { m_shouldPreventSpellChecking = prevent; }
 
     static void updateSelectionIfDifferentFromCurrentSelection(TypingCommand*, LocalFrame*);
 
     void updatePreservesTypingStyle(ETypingCommand);
     void markMisspellingsAfterTyping(ETypingCommand);
     void typingAddedToOpenCommand(ETypingCommand);
     bool makeEditableRootEmpty();
 
     void updateCommandTypeOfOpenCommand(ETypingCommand typingCommand) { m_commandType = typingCommand; }
@@ skipping 14 matching lines @@
     // was opened with a backward delete.
     bool m_openedByBackwardDelete;
 
     bool m_shouldRetainAutocorrectionIndicator;
     bool m_shouldPreventSpellChecking;
 };
 
 } // namespace blink
 
 #endif // TypingCommand_h