VTTCue: Make position/line/size double attributes

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 58 matching lines @@
     }
 
     virtual ~VTTCue();
 
     const String& vertical() const;
     void setVertical(const String&);
 
     bool snapToLines() const { return m_snapToLines; }
     void setSnapToLines(bool);
 
-    int line() const { return m_linePosition; }
-    void setLine(int, ExceptionState&);
+    double line() const { return m_linePosition; }
+    void setLine(double, ExceptionState&);
 
-    int position() const { return m_textPosition; }
-    void setPosition(int, ExceptionState&);
+    double position() const { return m_textPosition; }
+    void setPosition(double, ExceptionState&);
 
-    int size() const { return m_cueSize; }
-    void setSize(int, ExceptionState&);
+    double size() const { return m_cueSize; }
+    void setSize(double, ExceptionState&);
 
     const String& align() const;
     void setAlign(const String&);
 
     const String& text() const { return m_text; }
     void setText(const String&);
 
     void parseSettings(const String&);
 
     PassRefPtrWillBeRawPtr<DocumentFragment> getCueAsHTML();
     PassRefPtrWillBeRawPtr<DocumentFragment> createCueRenderingTree();
 
     const String& regionId() const { return m_regionId; }
     void setRegionId(const String&);
 
     virtual void updateDisplay(const IntSize& videoSize, HTMLDivElement& container) override;
 
     virtual void updateDisplayTree(double movieTime) override;
     virtual void removeDisplayTree() override;
     virtual void notifyRegionWhenRemovingDisplayTree(bool notifyRegion) override;
 
     void markFutureAndPastNodes(ContainerNode*, double previousTimestamp, double movieTime);
 
-    int calculateComputedLinePosition();
+    float calculateComputedLinePosition();
 
     FloatPoint getCSSPosition() const;
 
     CSSValueID getCSSAlignment() const;
-    int getCSSSize() const;
+    float getCSSSize() const;
     CSSValueID getCSSWritingDirection() const;
     CSSValueID getCSSWritingMode() const;
 
     enum WritingDirection {
         Horizontal = 0,
         VerticalGrowingLeft,
         VerticalGrowingRight,
         NumberOfWritingDirections
     };
     WritingDirection getWritingDirection() const { return m_writingDirection; }
@@ skipping 38 matching lines @@
         Vertical,
         Line,
         Position,
         Size,
         Align,
         RegionId
     };
     CueSetting settingName(VTTScanner&);
 
     String m_text;
-    int m_linePosition;
-    int m_computedLinePosition;
-    int m_textPosition;
-    int m_cueSize;
+    float m_linePosition;
+    float m_computedLinePosition;
+    float m_textPosition;
+    float m_cueSize;
     WritingDirection m_writingDirection;
     CueAlignment m_cueAlignment;
     String m_regionId;
 
     RefPtrWillBeMember<DocumentFragment> m_vttNodeTree;
     RefPtrWillBeMember<HTMLDivElement> m_cueBackgroundBox;
     RefPtrWillBeMember<VTTCueBox> m_displayTree;
 
     CSSValueID m_displayDirection;
-    int m_displaySize;
+    float m_displaySize;
     FloatPoint m_displayPosition;
 
     bool m_snapToLines : 1;
     bool m_displayTreeShouldChange : 1;
     bool m_notifyRegion : 1;
 };
 
 // VTTCue is currently the only TextTrackCue subclass.
 DEFINE_TYPE_CASTS(VTTCue, TextTrackCue, cue, true, true);
 
 } // namespace blink
 
 #endif // VTTCue_h