Revert of Split out CSSParser public API

Source/core/dom/CSSSelectorWatch.cpp

Index: Source/core/dom/CSSSelectorWatch.cpp
diff --git a/Source/core/dom/CSSSelectorWatch.cpp b/Source/core/dom/CSSSelectorWatch.cpp
index 28f677bcc744cc7e971ad65d6bf31ab4e8163c9c..ecfe86862206b1aa89a5027c62798c177c1fde79 100644
--- a/Source/core/dom/CSSSelectorWatch.cpp
+++ b/Source/core/dom/CSSSelectorWatch.cpp
@@ -31,9 +31,9 @@
 #include "config.h"
 #include "core/dom/CSSSelectorWatch.h"
 
+#include "core/css/parser/BisonCSSParser.h"
 #include "core/css/CSSSelectorList.h"
 #include "core/css/StylePropertySet.h"
-#include "core/css/parser/CSSParser.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/LocalFrame.h"
@@ -141,7 +141,7 @@
 void CSSSelectorWatch::watchCSSSelectors(const Vector<String>& selectors)
 {
     m_watchedCallbackSelectors.clear();
-    CSSParser parser(CSSParserContext(UASheetMode, 0));
+    BisonCSSParser parser(CSSParserContext(UASheetMode, 0));
 
     const RefPtrWillBeRawPtr<StylePropertySet> callbackPropertySet = ImmutableStylePropertySet::create(nullptr, 0, UASheetMode);