Removing unused function WTF::appendNumber

Source/wtf/text/WTFString.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 532 matching lines @@
     if (string.is8Bit()) {
         const LChar* characters8 = string.characters8();
         vector.reserveCapacity(vector.size() + length);
         for (size_t i = 0; i < length; ++i)
             vector.uncheckedAppend(characters8[i]);
     } else {
         vector.append(string.characters16(), length);
     }
 }
 
-template<typename CharacterType>
-inline void appendNumber(Vector<CharacterType>& vector, unsigned char number)
-{
-    int numberLength = number > 99 ? 3 : (number > 9 ? 2 : 1);
-    size_t vectorSize = vector.size();
-    vector.grow(vectorSize + numberLength);
-
-    switch (numberLength) {
-    case 3:
-        vector[vectorSize + 2] = number % 10 + '0';
-        number /= 10;
-
-    case 2:
-        vector[vectorSize + 1] = number % 10 + '0';
-        number /= 10;
-
-    case 1:
-        vector[vectorSize] = number % 10 + '0';
-    }
-}
-
 template<bool isSpecialCharacter(UChar), typename CharacterType>
 inline bool isAllSpecialCharacters(const CharacterType* characters, size_t length)
 {
     for (size_t i = 0; i < length; ++i) {
         if (!isSpecialCharacter(characters[i]))
             return false;
     }
     return true;
 }
 
@@ skipping 71 matching lines @@
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(String);
 
 using WTF::CString;
 using WTF::KeepTrailingZeros;
 using WTF::StrictUTF8Conversion;
 using WTF::StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD;
 using WTF::String;
 using WTF::emptyString;
 using WTF::emptyString16Bit;
 using WTF::append;
-using WTF::appendNumber;
 using WTF::charactersAreAllASCII;
 using WTF::charactersToIntStrict;
 using WTF::charactersToUIntStrict;
 using WTF::charactersToInt64Strict;
 using WTF::charactersToUInt64Strict;
 using WTF::charactersToInt;
 using WTF::charactersToUInt;
 using WTF::charactersToInt64;
 using WTF::charactersToUInt64;
 using WTF::charactersToDouble;
 using WTF::charactersToFloat;
 using WTF::equal;
 using WTF::equalIgnoringCase;
 using WTF::find;
 using WTF::isAllSpecialCharacters;
 using WTF::isSpaceOrNewline;
 using WTF::reverseFind;
 
 #include "wtf/text/AtomicString.h"
 #endif // WTFString_h