Revert of Split out CSSParser public API

Source/core/css/FontFace.cpp

Index: Source/core/css/FontFace.cpp
diff --git a/Source/core/css/FontFace.cpp b/Source/core/css/FontFace.cpp
index d075d48de46225741d7406f2a79b79514f203e94..97bed84cfc84c80e756bb6f5ac32e05ea531c20b 100644
--- a/Source/core/css/FontFace.cpp
+++ b/Source/core/css/FontFace.cpp
@@ -46,7 +46,7 @@
 #include "core/css/RemoteFontFaceSource.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleRule.h"
-#include "core/css/parser/CSSParser.h"
+#include "core/css/parser/BisonCSSParser.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
@@ -61,14 +61,12 @@
 
 namespace blink {
 
-// FIXME: This should probably live in CSSParser since the same logic is
-// duplicated elsewhere in the codebase
 static PassRefPtrWillBeRawPtr<CSSValue> parseCSSValue(const Document* document, const String& s, CSSPropertyID propertyID)
 {
     if (s.isEmpty())
         return nullptr;
     RefPtrWillBeRawPtr<MutableStylePropertySet> parsedStyle = MutableStylePropertySet::create();
-    CSSParser::parseValue(parsedStyle.get(), propertyID, s, true, *document);
+    BisonCSSParser::parseValue(parsedStyle.get(), propertyID, s, true, *document);
     return parsedStyle->getPropertyCSSValue(propertyID);
 }