Get rid of LookupRealNamedProperty and LookupRealNamedPropertyInPrototypes and update clients

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 930609073a0655c3770d1b4f1c5116db3937ddc2..75c44ecb14cc2a9ee0eb08c89dd965209f49d2f6 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2376,9 +2376,6 @@ class JSObject: public JSReceiver {
 
   // The following lookup functions skip interceptors.
   void LookupOwnRealNamedProperty(Handle<Name> name, LookupResult* result);
-  void LookupRealNamedProperty(Handle<Name> name, LookupResult* result);
-  void LookupRealNamedPropertyInPrototypes(Handle<Name> name,
-                                           LookupResult* result);
 
   // Returns the number of properties on this object filtering out properties
   // with the specified attributes (ignoring interceptors).