Simplify parseHTMLAreaCoordinate

Source/platform/Length.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 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 48 matching lines @@
     return i;
 }
 
 template<typename CharType>
 static Length parseHTMLAreaCoordinate(const CharType* data, unsigned length)
 {
     unsigned intLength;
     unsigned doubleLength;
     splitLength(data, length, intLength, doubleLength);
 
-    bool ok;
-    int r = charactersToIntStrict(data, intLength, &ok);
-    if (ok)
-        return Length(r, Fixed);
-    return Length(0, Fixed);
+    return Length(charactersToIntStrict(data, intLength), Fixed);
 }
 
 // FIXME: Per HTML5, this should follow the "rules for parsing a list of integers".
 Vector<Length> parseHTMLAreaElementCoords(const String& string)
 {
     unsigned length = string.length();
     StringBuffer<LChar> spacified(length);
     for (unsigned i = 0; i < length; i++) {
         UChar cc = string[i];
         if (cc > '9' || (cc < '0' && cc != '-' && cc != '.'))
@@ skipping 162 matching lines @@
     return isCalculated() && (&calculationValue() == &o.calculationValue() || calculationValue() == o.calculationValue());
 }
 
 struct SameSizeAsLength {
     int32_t value;
     int32_t metaData;
 };
 static_assert(sizeof(Length) == sizeof(SameSizeAsLength), "length should stay small");
 
 } // namespace blink