Fix issue 822: handling of JSObject::elements in CalculateNetworkSize.

src/profile-generator.h

 // Copyright 2010 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 671 matching lines @@
 
   HeapSnapshotsCollection* collection_;
   const char* title_;
   unsigned uid_;
   int root_entry_index_;
   char* raw_entries_;
   List<HeapEntry*> entries_;
   bool entries_sorted_;
   List<HeapEntryCalculatedData> calculated_data_;
 
+  friend class HeapSnapshotTester;
+
   DISALLOW_COPY_AND_ASSIGN(HeapSnapshot);
 };
 
 
 class HeapObjectsMap {
  public:
   HeapObjectsMap();
   ~HeapObjectsMap();
 
   void SnapshotGenerationFinished();
@@ skipping 241 matching lines @@
   friend class IndexedReferencesExtractor;
 
   DISALLOW_COPY_AND_ASSIGN(HeapSnapshotGenerator);
 };
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 #endif  // V8_PROFILE_GENERATOR_H_