Split out CSSParser public API

Source/core/css/CSSKeyframeRule.cpp

Index: Source/core/css/CSSKeyframeRule.cpp
diff --git a/Source/core/css/CSSKeyframeRule.cpp b/Source/core/css/CSSKeyframeRule.cpp
index d9f4179d3cb345f3397830291308ba4a20817b30..883262b01cbd93e2662c051e7c947c19f51f3c8a 100644
--- a/Source/core/css/CSSKeyframeRule.cpp
+++ b/Source/core/css/CSSKeyframeRule.cpp
@@ -27,7 +27,7 @@
 #include "core/css/CSSKeyframeRule.h"
 
 #include "core/css/CSSKeyframesRule.h"
-#include "core/css/parser/BisonCSSParser.h"
+#include "core/css/parser/CSSParser.h"
 #include "core/css/PropertySetCSSStyleDeclaration.h"
 #include "core/css/StylePropertySet.h"
 #include "core/frame/UseCounter.h"
@@ -77,7 +77,7 @@ const Vector<double>& StyleKeyframe::keys() const
         // Keys can only be cleared by setting the key text from JavaScript
         // and this can never be null.
         ASSERT(!m_keyText.isNull());
-        m_keys = BisonCSSParser(HTMLStandardMode).parseKeyframeKeyList(m_keyText);
+        m_keys = CSSParser(HTMLStandardMode).parseKeyframeKeyList(m_keyText);
     }
     // If an invalid key string was set, m_keys may be empty.
     ASSERT(m_keys);