Kill WTF::DecimalNumber class

Source/core/css/MediaQueryExp.cpp

 /*
  * CSS Media Query
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 16 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/css/MediaQueryExp.h"
 
 #include "core/css/CSSAspectRatioValue.h"
 #include "core/css/CSSParserValues.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/html/parser/HTMLParserIdioms.h"
-#include "wtf/DecimalNumber.h"
+#include "platform/Decimal.h"
 #include "wtf/text/StringBuffer.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace WebCore {
 
 using namespace MediaFeatureNames;
 
 static inline bool featureWithCSSValueID(const String& mediaFeature, const CSSParserValue* value)
 {
     if (!value->id)
@@ skipping 243 matching lines @@
     result.append(m_mediaFeature.lower());
     if (m_expValue.isValid()) {
         result.append(": ");
         result.append(m_expValue.cssText());
     }
     result.append(")");
 
     return result.toString();
 }
 
-static String printNumber(double number)
+static inline String printNumber(double number)
 {
-    DecimalNumber decimal(number);
-    StringBuffer<LChar> buffer(decimal.bufferLengthForStringDecimal());
-    decimal.toStringDecimal(buffer.characters(), buffer.length());
-    return String::adopt(buffer);
+    return Decimal::fromDouble(number).toString();
 }
 
 String MediaQueryExpValue::cssText() const
 {
     StringBuilder output;
     if (isValue) {
         output.append(printNumber(value));
         output.append(CSSPrimitiveValue::unitTypeToString(unit));
     } else if (isRatio) {
         output.append(printNumber(numerator));
         output.append("/");
         output.append(printNumber(denominator));
     } else if (isID) {
         output.append(getValueName(id));
     }
 
     return output.toString();
 }
 
 } // namespace