[WebVTT] Rename Middle to Center

third_party/WebKit/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 118 matching lines @@
   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 };
+  enum CueAlignment { Start = 0, Center, End, Left, Right, NumberOfAlignments };
   CueAlignment getCueAlignment() const { return m_cueAlignment; }
 
   ExecutionContext* getExecutionContext() const override;
 
 #ifndef NDEBUG
   String toString() const override;
 #endif
 
   DECLARE_VIRTUAL_TRACE();
 
@@ skipping 34 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