[prototype user tracking] Don't skip JSGlobalProxies

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 2115 matching lines @@
                                    PropertyAttributes attributes);
   static void SetDictionaryArgumentsElement(Handle<JSObject> object,
                                             uint32_t index,
                                             Handle<Object> value,
                                             PropertyAttributes attributes);
 
   static void OptimizeAsPrototype(Handle<JSObject> object,
                                   PrototypeOptimizationMode mode);
   static void ReoptimizeIfPrototype(Handle<JSObject> object);
   static void LazyRegisterPrototypeUser(Handle<Map> user, Isolate* isolate);
+  static void UpdatePrototypeUserRegistration(Handle<Map> old_map,
+                                              Handle<Map> new_map,
+                                              Isolate* isolate);
   static bool UnregisterPrototypeUser(Handle<Map> user, Isolate* isolate);
   static void InvalidatePrototypeChains(Map* map);
 
   // Alternative implementation of WeakFixedArray::NullCallback.
   class PrototypeRegistryCompactionCallback {
    public:
     static void Callback(Object* value, int old_index, int new_index);
   };
 
   // Retrieve interceptors.
@@ skipping 8573 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_