Remove CSSParserValue::createCSSValue and unused callers

Source/core/css/CSSValueList.cpp

Index: Source/core/css/CSSValueList.cpp
diff --git a/Source/core/css/CSSValueList.cpp b/Source/core/css/CSSValueList.cpp
index c11d493abb3c10ed610952eb143fa70afc67603e..4f5b4ffd67c9b9b2047f0daa1bb7fbad922a2bf6 100644
--- a/Source/core/css/CSSValueList.cpp
+++ b/Source/core/css/CSSValueList.cpp
@@ -38,17 +38,6 @@ CSSValueList::CSSValueList(ValueListSeparator listSeparator)
     m_valueListSeparator = listSeparator;
 }
 
-CSSValueList::CSSValueList(CSSParserValueList* parserValues)
-    : CSSValue(ValueListClass)
-{
-    m_valueListSeparator = SpaceSeparator;
-    if (parserValues) {
-        m_values.reserveInitialCapacity(parserValues->size());
-        for (unsigned i = 0; i < parserValues->size(); ++i)
-            m_values.uncheckedAppend(parserValues->valueAt(i)->createCSSValue());
-    }
-}
-
 bool CSSValueList::removeAll(CSSValue* val)
 {
     bool found = false;