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

Source/core/html/track/vtt/VTTCue.h

 /*
  * Copyright (c) 2013, Opera Software ASA. 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 47 matching lines @@
     }
 
     VTTCue* getCue() const { return m_cue; }
     void applyCSSProperties(const VTTDisplayParameters&);
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     VTTCueBox(Document&, VTTCue*);
 
-    virtual LayoutObject* createLayoutObject(const ComputedStyle&) override;
+    LayoutObject* createLayoutObject(const ComputedStyle&) override;
 
     RawPtrWillBeMember<VTTCue> m_cue;
 };
 
 class VTTCue final : public TextTrackCue {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<VTTCue> create(Document& document, double startTime, double endTime, const String& text)
     {
         return adoptRefWillBeNoop(new VTTCue(document, startTime, endTime, text));
     }
 
-    virtual ~VTTCue();
+    ~VTTCue() override;
 
     const String& vertical() const;
     void setVertical(const String&);
 
     bool snapToLines() const { return m_snapToLines; }
     void setSnapToLines(bool);
 
     void line(DoubleOrAutoKeyword&) const;
     void setLine(const DoubleOrAutoKeyword&);
 
@@ skipping 12 matching lines @@
     void parseSettings(const String&);
 
     // Applies CSS override style from user settings.
     void applyUserOverrideCSSProperties();
 
     PassRefPtrWillBeRawPtr<DocumentFragment> getCueAsHTML();
 
     const String& regionId() const { return m_regionId; }
     void setRegionId(const String&);
 
-    virtual void updateDisplay(HTMLDivElement& container) override;
+    void updateDisplay(HTMLDivElement& container) override;
 
-    virtual void updatePastAndFutureNodes(double movieTime) override;
+    void updatePastAndFutureNodes(double movieTime) override;
 
-    virtual void removeDisplayTree(RemovalNotification) override;
+    void removeDisplayTree(RemovalNotification) override;
 
     float calculateComputedLinePosition() const;
 
     enum WritingDirection {
         Horizontal = 0,
         VerticalGrowingLeft,
         VerticalGrowingRight,
         NumberOfWritingDirections
     };
     WritingDirection getWritingDirection() const { return m_writingDirection; }
 
     enum CueAlignment {
         Start = 0,
         Middle,
         End,
         Left,
         Right,
         NumberOfAlignments
     };
     CueAlignment cueAlignment() const { return m_cueAlignment; }
 
-    virtual ExecutionContext* executionContext() const override;
+    ExecutionContext* executionContext() const override;
 
 #ifndef NDEBUG
-    virtual String toString() const override;
+    String toString() const override;
 #endif
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     VTTCue(Document&, double startTime, double endTime, const String& text);
 
     Document& document() const;
 
     PassRefPtrWillBeRawPtr<VTTCueBox> getDisplayTree();
 
-    virtual void cueDidChange() override;
+    void cueDidChange() override;
 
     void createVTTNodeTree();
     void copyVTTNodeToDOMTree(ContainerNode* vttNode, ContainerNode* root);
 
     bool lineIsAuto() const;
     bool textPositionIsAuto() const;
 
     VTTDisplayParameters calculateDisplayParameters() const;
     float calculateComputedTextPosition() const;
     CueAlignment calculateComputedCueAlignment() const;
@@ skipping 24 matching lines @@
     bool m_snapToLines : 1;
     bool m_displayTreeShouldChange : 1;
 };
 
 // VTTCue is currently the only TextTrackCue subclass.
 DEFINE_TYPE_CASTS(VTTCue, TextTrackCue, cue, true, true);
 
 } // namespace blink
 
 #endif // VTTCue_h