Store PropertyRegistry::Registrations on CSSInterpolationTypes for registered custom properties

third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.h

Index: third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.h
diff --git a/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.h b/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.h
index ff4daceff1065219ab459ab89f23c5386c142cd4..75e8939407384761d69843e06d087a336aa9bd36 100644
--- a/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.h
+++ b/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.h
@@ -5,7 +5,6 @@
 #ifndef CSSSyntaxDescriptor_h
 #define CSSSyntaxDescriptor_h
 
-#include "core/animation/InterpolationTypesMap.h"
 #include "core/css/parser/CSSParserTokenRange.h"
 
 namespace blink {
@@ -52,9 +51,9 @@ class CORE_EXPORT CSSSyntaxDescriptor {
     return m_syntaxComponents.size() == 1 &&
            m_syntaxComponents[0].m_type == CSSSyntaxType::TokenStream;
   }
-
-  InterpolationTypes createInterpolationTypes(
-      const AtomicString& propertyName) const;
+  const Vector<CSSSyntaxComponent>& components() const {
+    return m_syntaxComponents;
+  }
 
  private:
   Vector<CSSSyntaxComponent> m_syntaxComponents;