Revert of Revert of Split out CSSParser public API

Source/core/animation/DeferredLegacyStyleInterpolationTest.cpp

Index: Source/core/animation/DeferredLegacyStyleInterpolationTest.cpp
diff --git a/Source/core/animation/DeferredLegacyStyleInterpolationTest.cpp b/Source/core/animation/DeferredLegacyStyleInterpolationTest.cpp
index f2888b8d2e5da868a3bd9c7a7159daaa1c67dd71..e95f8d9f2b316b926a876ba82a1f31ec4f70c672 100644
--- a/Source/core/animation/DeferredLegacyStyleInterpolationTest.cpp
+++ b/Source/core/animation/DeferredLegacyStyleInterpolationTest.cpp
@@ -9,7 +9,7 @@
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/StylePropertySet.h"
-#include "core/css/parser/BisonCSSParser.h"
+#include "core/css/parser/CSSParser.h"
 
 #include <gtest/gtest.h>
 
@@ -23,7 +23,7 @@
         if (propertyID == CSSPropertyFloodColor)
             parserMode = SVGAttributeMode;
         RefPtrWillBeRawPtr<MutableStylePropertySet> dummyStyle = MutableStylePropertySet::create();
-        bool parseSuccess = BisonCSSParser::parseValue(dummyStyle.get(), propertyID, string, false, parserMode, 0);
+        bool parseSuccess = CSSParser::parseValue(dummyStyle.get(), propertyID, string, false, parserMode, 0);
         ASSERT_UNUSED(parseSuccess, parseSuccess);
         return DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(*dummyStyle->getPropertyCSSValue(propertyID));
     }