Simplify UnicodeRangeToken handling

Source/core/css/parser/CSSPropertyParser.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 4773 matching lines @@
 
 PassRefPtrWillBeRawPtr<CSSValueList> CSSPropertyParser::parseFontFaceUnicodeRange()
 {
     RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createCommaSeparated();
 
     do {
         CSSParserValue* current = m_valueList->current();
         if (!current || current->unit != CSSParserValue::UnicodeRange)
             return nullptr;
 
-        CSSParserValue* start = current->valueList->valueAt(0);
-        CSSParserValue* end = current->valueList->valueAt(1);
-        ASSERT(start->unit == CSSPrimitiveValue::CSS_NUMBER);
-        ASSERT(end->unit == CSSPrimitiveValue::CSS_NUMBER);
-        if (start->fValue > end->fValue)
+        UChar32 start = current->m_unicodeRange.start;
+        UChar32 end = current->m_unicodeRange.end;
+        if (start > end)
             return nullptr;
-        values->append(CSSUnicodeRangeValue::create(start->fValue, end->fValue));
+        values->append(CSSUnicodeRangeValue::create(start, end));
         m_valueList->next();
     } while (consumeComma(m_valueList));
 
     return values.release();
 }
 
 // Returns the number of characters which form a valid double
 // and are terminated by the given terminator character
 template <typename CharacterType>
 static int checkForValidDouble(const CharacterType* string, const CharacterType* end, const char terminator)
@@ skipping 3603 matching lines @@
         }
     }
 
     if (!list->length())
         return nullptr;
 
     return list.release();
 }
 
 } // namespace blink