Kill WTF::DecimalNumber class

Source/core/css/MediaQueryExp.cpp

Index: Source/core/css/MediaQueryExp.cpp
diff --git a/Source/core/css/MediaQueryExp.cpp b/Source/core/css/MediaQueryExp.cpp
index 334f596c71250a0221b189ac7d67abbfdb1b9154..89a08d09cb7397d1cb4613fb203e6e36073d12ee 100644
--- a/Source/core/css/MediaQueryExp.cpp
+++ b/Source/core/css/MediaQueryExp.cpp
@@ -34,7 +34,7 @@
 #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"
 
@@ -298,12 +298,9 @@ String MediaQueryExp::serialize() const
     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