Implement specced parsing algorithm for <area coords>

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

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  *
  * 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.
  *
@@ skipping 1121 matching lines @@
     size_t parsedLength;
     return toDoubleType<LChar, DisallowTrailingJunk>(data, length, ok, parsedLength);
 }
 
 double charactersToDouble(const UChar* data, size_t length, bool* ok)
 {
     size_t parsedLength;
     return toDoubleType<UChar, DisallowTrailingJunk>(data, length, ok, parsedLength);
 }
 
+double charactersToDouble(const LChar* data, size_t length, size_t& parsedLength)
+{
+    return toDoubleType<LChar, AllowTrailingJunk>(data, length, nullptr, parsedLength);
+}
+
+double charactersToDouble(const UChar* data, size_t length, size_t& parsedLength)
+{
+    return toDoubleType<UChar, AllowTrailingJunk>(data, length, nullptr, parsedLength);
+}
+
 float charactersToFloat(const LChar* data, size_t length, bool* ok)
 {
     // FIXME: This will return ok even when the string fits into a double but
     // not a float.
     size_t parsedLength;
     return static_cast<float>(toDoubleType<LChar, DisallowTrailingJunk>(data, length, ok, parsedLength));
 }
 
 float charactersToFloat(const UChar* data, size_t length, bool* ok)
 {
@@ skipping 69 matching lines @@
     buffer.append('\0');
     return buffer;
 }
 
 Vector<char> asciiDebug(String& string)
 {
     return asciiDebug(string.impl());
 }
 
 #endif