New heap profiler: include all heap objects and refs into snapshot.

src/profile-generator-inl.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 92 matching lines @@
 void CodeMap::DeleteCode(Address addr) {
   tree_.Remove(addr);
 }
 
 
 template<class Visitor>
 void HeapEntriesMap::UpdateEntries(Visitor* visitor) {
   for (HashMap::Entry* p = entries_.Start();
        p != NULL;
        p = entries_.Next(p)) {
-    if (!IsAlias(p->value)) {
-      EntryInfo* entry_info = reinterpret_cast<EntryInfo*>(p->value);
-      entry_info->entry = visitor->GetEntry(
-          reinterpret_cast<HeapObject*>(p->key),
-          entry_info->children_count,
-          entry_info->retainers_count);
-      entry_info->children_count = 0;
-      entry_info->retainers_count = 0;
-    }
+    EntryInfo* entry_info = reinterpret_cast<EntryInfo*>(p->value);
+    entry_info->entry = visitor->GetEntry(
+        reinterpret_cast<HeapObject*>(p->key),
+        entry_info->children_count,
+        entry_info->retainers_count);
+    entry_info->children_count = 0;
+    entry_info->retainers_count = 0;
   }
 }
 
 
 CodeEntry* ProfileGenerator::EntryForVMState(StateTag tag) {
   switch (tag) {
     case GC:
       return gc_entry_;
     case JS:
     case COMPILER:
     // DOM events handlers are reported as OTHER / EXTERNAL entries.
     // To avoid confusing people, let's put all these entries into
     // one bucket.
     case OTHER:
     case EXTERNAL:
       return program_entry_;
     default: return NULL;
   }
 }
 
 } }  // namespace v8::internal
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 #endif  // V8_PROFILE_GENERATOR_INL_H_