Optimized nodeType dom binding by removing HandleScope and the preparation of ordinary c function c…

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index d513f979226806e4be9ae6f5c69b0c64996c1e1b..855501532f094cdaf1d83fb28a5c315e45644a38 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -10223,6 +10223,9 @@ class AccessorInfo: public Struct {
   inline PropertyAttributes property_attributes();
   inline void set_property_attributes(PropertyAttributes attributes);
 
+  inline bool can_fast_call();
+  inline void set_can_fast_call(bool value);
+
   // Checks whether the given receiver is compatible with this accessor.
   static bool IsCompatibleReceiverType(Isolate* isolate,
                                        Handle<AccessorInfo> info,
@@ -10252,7 +10255,9 @@ class AccessorInfo: public Struct {
   // Bit positions in flag.
   static const int kAllCanReadBit = 0;
   static const int kAllCanWriteBit = 1;
+  static const int kCanFastCall = 0;
   class AttributesField: public BitField<PropertyAttributes, 2, 3> {};
+  class AccessorOptimizeLevel: public BitField<int,          5, 2> {};
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AccessorInfo);
 };