Use LookupIterator for CompileLoadInterceptor and delete Object::Lookup

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 30 matching lines @@
   enum PropertyKind {
     DATA,
     ACCESSOR
   };
 
   enum PropertyEncoding {
     DICTIONARY,
     DESCRIPTOR
   };
 
+  explicit LookupIterator(const LookupIterator* other)
+      : configuration_(other->configuration_),
+        state_(other->state_),
+        property_kind_(other->property_kind_),
+        property_encoding_(other->property_encoding_),
+        property_details_(other->property_details_),
+        isolate_(other->isolate_),
+        name_(other->name_),
+        holder_map_(other->holder_map_),
+        maybe_receiver_(other->maybe_receiver_),
+        maybe_holder_(other->maybe_holder_) {}
+
   LookupIterator(Handle<Object> receiver, Handle<Name> name,
                  Configuration configuration = CHECK_DERIVED)
       : configuration_(ComputeConfiguration(configuration, name)),
         state_(NOT_FOUND),
         property_kind_(DATA),
         property_encoding_(DESCRIPTOR),
         property_details_(NONE, NONEXISTENT, Representation::None()),
         isolate_(name->GetIsolate()),
         name_(name),
         maybe_receiver_(receiver),
@@ skipping 144 matching lines @@
   MaybeHandle<Object> maybe_receiver_;
   MaybeHandle<JSReceiver> maybe_holder_;
 
   int number_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOOKUP_H_