Implicit references are missing in heap profiles

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3198 matching lines @@
   static void RemoveGCPrologueCallback(GCPrologueCallback callback);
 
   /**
    * The function is deprecated. Please use AddGCPrologueCallback instead.
    * Enables the host application to receive a notification before a
    * garbage collection.  Allocations are not allowed in the
    * callback function, you therefore cannot manipulate objects (set
    * or delete properties for example) since it is possible such
    * operations will result in the allocation of objects.
    */
-  static void SetGlobalGCPrologueCallback(GCCallback);
+  V8_DEPRECATED(static void SetGlobalGCPrologueCallback(GCCallback));
 
   /**
    * Enables the host application to receive a notification after a
    * garbage collection.  Allocations are not allowed in the
    * callback function, you therefore cannot manipulate objects (set
    * or delete properties for example) since it is possible such
    * operations will result in the allocation of objects. It is possible
    * to specify the GCType filter for your callback. But it is not possible to
    * register the same callback function two times with different
    * GCType filters.
    */
   static void AddGCEpilogueCallback(
       GCEpilogueCallback callback, GCType gc_type_filter = kGCTypeAll);
 
   /**
    * This function removes callback which was installed by
    * AddGCEpilogueCallback function.
    */
   static void RemoveGCEpilogueCallback(GCEpilogueCallback callback);
 
   /**
    * The function is deprecated. Please use AddGCEpilogueCallback instead.
    * Enables the host application to receive a notification after a
    * major garbage collection.  Allocations are not allowed in the
    * callback function, you therefore cannot manipulate objects (set
    * or delete properties for example) since it is possible such
    * operations will result in the allocation of objects.
    */
-  static void SetGlobalGCEpilogueCallback(GCCallback);
+  V8_DEPRECATED(static void SetGlobalGCEpilogueCallback(GCCallback));
 
   /**
    * Enables the host application to provide a mechanism to be notified
    * and perform custom logging when V8 Allocates Executable Memory.
    */
   static void AddMemoryAllocationCallback(MemoryAllocationCallback callback,
                                           ObjectSpace space,
                                           AllocationAction action);
 
   /**
@@ skipping 1590 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_