Merge bools into bit fields in TextTrackCue and VTTCue

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 154 matching lines @@
         RegionId
     };
     CueSetting settingName(const String&);
 
     String m_text;
     int m_linePosition;
     int m_computedLinePosition;
     int m_textPosition;
     int m_cueSize;
     WritingDirection m_writingDirection;
-
     CueAlignment m_cueAlignment;
+    String m_regionId;
 
     RefPtr<DocumentFragment> m_vttNodeTree;
-    bool m_snapToLines;
-
     RefPtr<HTMLDivElement> m_cueBackgroundBox;
-
-    bool m_displayTreeShouldChange;
     RefPtr<VTTCueBox> m_displayTree;
 
     CSSValueID m_displayDirection;
+    int m_displaySize;
+    std::pair<float, float> m_displayPosition;
 
-    int m_displaySize;
-
-    std::pair<float, float> m_displayPosition;
-    String m_regionId;
-    bool m_notifyRegion;
+    bool m_snapToLines : 1;
+    bool m_displayTreeShouldChange : 1;
+    bool m_notifyRegion : 1;
 };
 
 inline VTTCue* toVTTCue(TextTrackCue* cue)
 {
     // VTTCue is currently the only TextTrackCue subclass.
     return static_cast<VTTCue*>(cue);
 }
 
 } // namespace WebCore
 
 #endif