Use LookupIterator in SetAccessor / DefineAccessor and remove "search_hidden_prototypes" from Looku…

src/lookup.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_LOOKUP_H_
 #define V8_LOOKUP_H_
 
 #include "src/factory.h"
 #include "src/isolate.h"
 #include "src/objects.h"
@@ skipping 125 matching lines @@
   }
   PropertyEncoding property_encoding() const {
     DCHECK(has_property_);
     return property_encoding_;
   }
   PropertyDetails property_details() const {
     DCHECK(has_property_);
     return property_details_;
   }
   bool IsConfigurable() const { return !property_details().IsDontDelete(); }
+  bool IsReadOnly() const { return property_details().IsReadOnly(); }

[Jakob Kummerow, 2014/08/18 15:00:18]

Yeah, I'm adding that accessor in my work-in-progress CL too :-)

   Representation representation() const {
     return property_details().representation();
   }
   FieldIndex GetFieldIndex() const;
   int GetConstantIndex() const;
   Handle<PropertyCell> GetPropertyCell() const;
   Handle<Object> GetAccessors() const;
   Handle<Object> GetDataValue() const;
   void WriteDataValue(Handle<Object> value);
 
@@ skipping 61 matching lines @@
   MaybeHandle<Object> maybe_receiver_;
   MaybeHandle<JSReceiver> maybe_holder_;
 
   int number_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOOKUP_H_