Implement specced parsing algorithm for <area coords>

third_party/WebKit/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 52 matching lines @@
 WTF_EXPORT int64_t charactersToInt64(const UChar*, size_t, bool* ok = 0); // ignores trailing garbage
 WTF_EXPORT uint64_t charactersToUInt64(const LChar*, size_t, bool* ok = 0); // ignores trailing garbage
 WTF_EXPORT uint64_t charactersToUInt64(const UChar*, size_t, bool* ok = 0); // ignores trailing garbage
 
 // FIXME: Like the strict functions above, these give false for "ok" when there
 // is trailing garbage.  Like the non-strict functions above, these return the
 // value when there is trailing garbage.  It would be better if these were more
 // consistent with the above functions instead.
 WTF_EXPORT double charactersToDouble(const LChar*, size_t, bool* ok = 0);
 WTF_EXPORT double charactersToDouble(const UChar*, size_t, bool* ok = 0);
+WTF_EXPORT double charactersToDouble(const LChar*, size_t, size_t& parsedLength);
+WTF_EXPORT double charactersToDouble(const UChar*, size_t, size_t& parsedLength);
 WTF_EXPORT float charactersToFloat(const LChar*, size_t, bool* ok = 0);
 WTF_EXPORT float charactersToFloat(const UChar*, size_t, bool* ok = 0);
 WTF_EXPORT float charactersToFloat(const LChar*, size_t, size_t& parsedLength);
 WTF_EXPORT float charactersToFloat(const UChar*, size_t, size_t& parsedLength);
 
 enum TrailingZerosTruncatingPolicy {
     KeepTrailingZeros,
     TruncateTrailingZeros
 };
 
@@ skipping 621 matching lines @@
 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