Avoid use of CSSValue in MediaQueryExp and MediaQueryEvaluator

Source/core/css/parser/MediaQueryToken.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/css/parser/MediaQueryToken.h"
 
 #include "wtf/HashMap.h"
 #include "wtf/text/StringHash.h"
 #include <limits.h>
@@ skipping 53 matching lines @@
 {
     ASSERT(m_type == NumberToken);
     m_type = PercentageToken;
     m_unit = CSSPrimitiveValue::CSS_PERCENTAGE;
 }
 
 // This function is used only for testing
 // FIXME - This doesn't cover all possible Token types, but it's enough for current testing.
 String MediaQueryToken::textForUnitTests() const
 {
-    char buffer[std::numeric_limits<float>::digits10];
+    char buffer[std::numeric_limits<float>::digits];
     if (!m_value.isNull())
         return m_value;
     if (m_type == LeftParenthesisToken)
         return String("(");
     if (m_type == RightParenthesisToken)
         return String(")");
     if (m_type == ColonToken)
         return String(":");
     if (m_type == WhitespaceToken)
         return String(" ");
@@ skipping 15 matching lines @@
             sprintf(buffer, "%d%s", static_cast<int>(m_numericValue), unitBuffer);
         else
             sprintf(buffer, "%f%s", m_numericValue, unitBuffer);
 
         return String(buffer, strlen(buffer));
     }
     return String();
 }
 
 } // namespace WebCore