Revert of Split out CSSParser public API

Source/core/css/FontFaceSet.cpp

Index: Source/core/css/FontFaceSet.cpp
diff --git a/Source/core/css/FontFaceSet.cpp b/Source/core/css/FontFaceSet.cpp
index b30a902ca1abce005bbb7dd3c4725ccf80ec1641..7de6b7767b337a4fbd63a42f9d335aa1c360d6c2 100644
--- a/Source/core/css/FontFaceSet.cpp
+++ b/Source/core/css/FontFaceSet.cpp
@@ -34,7 +34,7 @@
 #include "core/css/FontFaceCache.h"
 #include "core/css/FontFaceSetLoadEvent.h"
 #include "core/css/StylePropertySet.h"
-#include "core/css/parser/CSSParser.h"
+#include "core/css/parser/BisonCSSParser.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/Document.h"
 #include "core/dom/StyleEngine.h"
@@ -496,7 +496,7 @@
 
     // Interpret fontString in the same way as the 'font' attribute of CanvasRenderingContext2D.
     RefPtrWillBeRawPtr<MutableStylePropertySet> parsedStyle = MutableStylePropertySet::create();
-    CSSParser::parseValue(parsedStyle.get(), CSSPropertyFont, fontString, true, HTMLStandardMode, 0);
+    BisonCSSParser::parseValue(parsedStyle.get(), CSSPropertyFont, fontString, true, HTMLStandardMode, 0);
     if (parsedStyle->isEmpty())
         return false;