Split out CSSParser public API

Source/core/css/CSSValuePool.cpp

Index: Source/core/css/CSSValuePool.cpp
diff --git a/Source/core/css/CSSValuePool.cpp b/Source/core/css/CSSValuePool.cpp
index 58374278c5aa47efbeaab076249a39dc24742acc..24846c378908b7b7b62cbffe3296c547ca49e463 100644
--- a/Source/core/css/CSSValuePool.cpp
+++ b/Source/core/css/CSSValuePool.cpp
@@ -26,7 +26,7 @@
 #include "config.h"
 #include "core/css/CSSValuePool.h"
 
-#include "core/css/parser/BisonCSSParser.h"
+#include "core/css/parser/CSSParser.h"
 #include "core/css/CSSValueList.h"
 #include "core/rendering/style/RenderStyle.h"
 
@@ -137,7 +137,7 @@ PassRefPtr<CSSValueList> CSSValuePool::createFontFaceValue(const AtomicString& s
 
     RefPtr<CSSValueList>& value = m_fontFaceValueCache.add(string, 0).iterator->value;
     if (!value)
-        value = BisonCSSParser::parseFontFaceValue(string);
+        value = CSSParser::parseFontFaceValue(string);
     return value;
 }