This is code readability patch, No Layout Test case needed

Source/wtf/unicode/CharacterNames.h

 /*
  * Copyright (C) 2007, 2009, 2010 Apple Inc. 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 70 matching lines @@
 const UChar32 ugariticWordDivider = 0x1039F;
 const UChar whiteBullet = 0x25E6;
 const UChar whiteCircle = 0x25CB;
 const UChar whiteSesameDot = 0xFE46;
 const UChar whiteUpPointingTriangle = 0x25B3;
 const UChar yenSign = 0x00A5;
 const UChar zeroWidthJoiner = 0x200D;
 const UChar zeroWidthNonJoiner = 0x200C;
 const UChar zeroWidthSpace = 0x200B;
 const UChar zeroWidthNoBreakSpace = 0xFEFF;
+const UChar tabCharacter = 0x0009;

[tkent, 2014/09/01 02:27:55]

Please insert this line to the sorted position.
Also, we should follow the standard name defined in Unicode.  0x0009 is
'CHARACTER TABULATION'.  See http://www.unicode.org/charts/charindex.html

 
 } // namespace Unicode
 } // namespace WTF
 
 using WTF::Unicode::aegeanWordSeparatorLine;
 using WTF::Unicode::aegeanWordSeparatorDot;
 using WTF::Unicode::blackCircle;
 using WTF::Unicode::blackSquare;
 using WTF::Unicode::blackUpPointingTriangle;
 using WTF::Unicode::bullet;
@@ skipping 35 matching lines @@
 using WTF::Unicode::ugariticWordDivider;
 using WTF::Unicode::whiteBullet;
 using WTF::Unicode::whiteCircle;
 using WTF::Unicode::whiteSesameDot;
 using WTF::Unicode::whiteUpPointingTriangle;
 using WTF::Unicode::yenSign;
 using WTF::Unicode::zeroWidthJoiner;
 using WTF::Unicode::zeroWidthNonJoiner;
 using WTF::Unicode::zeroWidthSpace;
 using WTF::Unicode::zeroWidthNoBreakSpace;
+using WTF::Unicode::tabCharacter;
 
 #endif // CharacterNames_h