Embed entries_ list into HeapObjectsMap by value.

src/profile-generator.h

 // Copyright 2011 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 687 matching lines @@
 
   friend class HeapSnapshotTester;
 
   DISALLOW_COPY_AND_ASSIGN(HeapSnapshot);
 };
 
 
 class HeapObjectsMap {
  public:
   HeapObjectsMap();
-  ~HeapObjectsMap();
 
   void SnapshotGenerationFinished();
   SnapshotObjectId FindEntry(Address addr);
   SnapshotObjectId FindOrAddEntry(Address addr, unsigned int size);
   void MoveObject(Address from, Address to);
   SnapshotObjectId last_assigned_id() const {
     return next_id_ - kObjectIdStep;
   }
 
   void StopHeapObjectsTracking();
@@ skipping 35 matching lines @@
   }
 
   static uint32_t AddressHash(Address addr) {
     return ComputeIntegerHash(
         static_cast<uint32_t>(reinterpret_cast<uintptr_t>(addr)),
         v8::internal::kZeroHashSeed);
   }
 
   SnapshotObjectId next_id_;
   HashMap entries_map_;
-  List<EntryInfo>* entries_;
+  List<EntryInfo> entries_;
   List<TimeInterval> time_intervals_;
 
   DISALLOW_COPY_AND_ASSIGN(HeapObjectsMap);
 };
 
 
 class HeapSnapshotsCollection {
  public:
   HeapSnapshotsCollection();
   ~HeapSnapshotsCollection();
@@ skipping 418 matching lines @@
 
   friend class HeapSnapshotJSONSerializerEnumerator;
   friend class HeapSnapshotJSONSerializerIterator;
 
   DISALLOW_COPY_AND_ASSIGN(HeapSnapshotJSONSerializer);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROFILE_GENERATOR_H_