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 58 matching lines @@
 const UChar replacementCharacter = 0xFFFD;
 const UChar rightDoubleQuotationMark = 0x201D;
 const UChar rightSingleQuotationMark = 0x2019;
 const UChar rightToLeftEmbed = 0x202B;
 const UChar rightToLeftMark = 0x200F;
 const UChar rightToLeftOverride = 0x202E;
 const UChar sesameDot = 0xFE45;
 const UChar smallLetterSharpS = 0x00DF;
 const UChar softHyphen = 0x00AD;
 const UChar space = 0x0020;
+const UChar tabulationCharacter = 0x0009;

[tkent, 2014/09/01 07:45:59]

As I wrote, U+0009 is 'CHARACTER TABULATION'.  So this symbol should be
characterTabulation.

[h.joshi, 2014/09/01 08:18:00]

Done.

 const UChar tibetanMarkIntersyllabicTsheg = 0x0F0B;
 const UChar tibetanMarkDelimiterTshegBstar = 0x0F0C;
 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;
@@ skipping 35 matching lines @@
 using WTF::Unicode::popDirectionalFormatting;
 using WTF::Unicode::replacementCharacter;
 using WTF::Unicode::rightDoubleQuotationMark;
 using WTF::Unicode::rightSingleQuotationMark;
 using WTF::Unicode::rightToLeftEmbed;
 using WTF::Unicode::rightToLeftMark;
 using WTF::Unicode::rightToLeftOverride;
 using WTF::Unicode::sesameDot;
 using WTF::Unicode::softHyphen;
 using WTF::Unicode::space;
+using WTF::Unicode::tabulationCharacter;
 using WTF::Unicode::tibetanMarkIntersyllabicTsheg;
 using WTF::Unicode::tibetanMarkDelimiterTshegBstar;
 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;
 
 #endif // CharacterNames_h