Remove WRAPPER_VISITOR_SPECIAL_CLASSES

third_party/WebKit/Source/platform/heap/WrapperVisitor.h

Index: third_party/WebKit/Source/platform/heap/WrapperVisitor.h
diff --git a/third_party/WebKit/Source/platform/heap/WrapperVisitor.h b/third_party/WebKit/Source/platform/heap/WrapperVisitor.h
index 3e0c49b8e52a2a06960fdef4b8a371cf50e6c3f0..2978d90566d9d90cd7d76a365646c4c668e8df79 100644
--- a/third_party/WebKit/Source/platform/heap/WrapperVisitor.h
+++ b/third_party/WebKit/Source/platform/heap/WrapperVisitor.h
@@ -27,20 +27,6 @@ class TraceWrapperBase;
 template <typename T>
 class TraceWrapperMember;
 
-// Only add a special class here if the class cannot derive from
-// TraceWrapperBase.
-#define WRAPPER_VISITOR_SPECIAL_CLASSES(V) \
-  V(ElementRareData)                       \
-  V(NodeListsNodeData)                     \
-  V(NodeMutationObserverData)              \
-  V(NodeRareData)
-
-#define FORWARD_DECLARE_SPECIAL_CLASSES(className) class className;
-
-WRAPPER_VISITOR_SPECIAL_CLASSES(FORWARD_DECLARE_SPECIAL_CLASSES);
-
-#undef FORWARD_DECLARE_SPECIAL_CLASSES
-
 /**
  * Declares non-virtual traceWrappers method. Should be used on
  * non-ScriptWrappable classes which should participate in wrapper tracing (e.g.
@@ -150,22 +136,11 @@ class PLATFORM_EXPORT WrapperVisitor {
   virtual void markWrapper(const v8::PersistentBase<v8::Value>*) const = 0;
 
   virtual void dispatchTraceWrappers(const TraceWrapperBase*) const = 0;
-#define DECLARE_DISPATCH_TRACE_WRAPPERS(ClassName) \
-  virtual void dispatchTraceWrappers(const ClassName*) const = 0;
-
-  WRAPPER_VISITOR_SPECIAL_CLASSES(DECLARE_DISPATCH_TRACE_WRAPPERS);
-
-#undef DECLARE_DISPATCH_TRACE_WRAPPERS
 
   virtual bool markWrapperHeader(HeapObjectHeader*) const = 0;
 
   virtual void markWrappersInAllWorlds(const ScriptWrappable*) const = 0;
 
-  void markWrappersInAllWorlds(const void*) const {
-    // Empty handler used for WRAPPER_VISITOR_SPECIAL_CLASSES. These types
-    // don't require marking wrappers in all worlds, so just nop on those.
-  }
-
   template <typename T>
   ALWAYS_INLINE void markAndPushToMarkingDeque(const T* traceable) const {
     if (pushToMarkingDeque(TraceTrait<T>::traceMarkedWrapper,
@@ -184,17 +159,6 @@ class PLATFORM_EXPORT WrapperVisitor {
       const void*) const = 0;
 };
 
-#define SPECIALIZE_WRAPPER_TRACING_MARK_TRAIT(ClassName) \
-  template <>                                            \
-  class CanTraceWrappers<ClassName, false> {             \
-   public:                                               \
-    static const bool value = true;                      \
-  };
-
-WRAPPER_VISITOR_SPECIAL_CLASSES(SPECIALIZE_WRAPPER_TRACING_MARK_TRAIT)
-
-#undef SPECIALIZE_WRAPPER_TRACING_MARK_TRAIT
-
 }  // namespace blink
 
 #endif  // WrapperVisitor_h