VTTCue: Convert uses of std::pair<float, float> to FloatPoint

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 91 matching lines @@
     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();
 
-    std::pair<double, double> getCSSPosition() const;
+    FloatPoint getCSSPosition() const;
 
     CSSValueID getCSSAlignment() const;
     int getCSSSize() const;
     CSSValueID getCSSWritingDirection() const;
     CSSValueID getCSSWritingMode() const;
 
     enum WritingDirection {
         Horizontal = 0,
         VerticalGrowingLeft,
         VerticalGrowingRight,
@@ skipping 25 matching lines @@
     Document& document() const;
 
     VTTCueBox& ensureDisplayTree();
     PassRefPtrWillBeRawPtr<VTTCueBox> getDisplayTree(const IntSize& videoSize);
 
     virtual void cueDidChange() override;
 
     void createVTTNodeTree();
     void copyVTTNodeToDOMTree(ContainerNode* vttNode, ContainerNode* root);
 
-    std::pair<double, double> getPositionCoordinates() const;
+    FloatPoint getPositionCoordinates() const;
 
     void calculateDisplayParameters();
 
     enum CueSetting {
         None,
         Vertical,
         Line,
         Position,
         Size,
         Align,
         RegionId
     };
     CueSetting settingName(VTTScanner&);
 
     String m_text;
     int m_linePosition;
     int m_computedLinePosition;
     int m_textPosition;
     int 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;
-    std::pair<float, float> m_displayPosition;
+    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