Remove unused StringImpl::findNextLineStart, StringImpl::count and reverseFindLineTerminator.

third_party/WebKit/Source/wtf/text/StringImpl.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller ( mueller@kde.org )
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  *
  * 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
@@ skipping 1413 matching lines @@
             return findIgnoringASCIICaseInner(searchStart, matchString->characters8(), index, searchLength, matchLength);
         return findIgnoringASCIICaseInner(searchStart, matchString->characters16(), index, searchLength, matchLength);
     }
 
     const UChar* searchStart = characters16() + index;
     if (matchString->is8Bit())
         return findIgnoringASCIICaseInner(searchStart, matchString->characters8(), index, searchLength, matchLength);
     return findIgnoringASCIICaseInner(searchStart, matchString->characters16(), index, searchLength, matchLength);
 }
 
-size_t StringImpl::findNextLineStart(unsigned index)
-{
-    if (is8Bit())
-        return WTF::findNextLineStart(characters8(), m_length, index);
-    return WTF::findNextLineStart(characters16(), m_length, index);
-}
-
-size_t StringImpl::count(LChar c) const
-{
-    int count = 0;
-    if (is8Bit()) {
-        for (size_t i = 0; i < m_length; ++i)
-            count += characters8()[i] == c;
-    } else {
-        for (size_t i = 0; i < m_length; ++i)
-            count += characters16()[i] == c;
-    }
-    return count;
-}
-
 size_t StringImpl::reverseFind(UChar c, unsigned index)
 {
     if (is8Bit())
         return WTF::reverseFind(characters8(), m_length, c, index);
     return WTF::reverseFind(characters16(), m_length, c, index);
 }
 
 template <typename SearchCharacterType, typename MatchCharacterType>
 ALWAYS_INLINE static size_t reverseFindInner(const SearchCharacterType* searchCharacters, const MatchCharacterType* matchCharacters, unsigned index, unsigned length, unsigned matchLength)
 {
@@ skipping 894 matching lines @@
         } else if (localeIdMatchesLang(localeIdentifier, "lt")) {
             // TODO(rob.buis) implement upper-casing rules for lt
             // like in StringImpl::upper(locale).
         }
     }
 
     return toUpper(c);
 }
 
 } // namespace WTF