- Add a WeakTable to the VM. This is used to remember the

runtime/vm/pages.cc

Index: runtime/vm/pages.cc
===================================================================
--- runtime/vm/pages.cc	(revision 24504)
+++ runtime/vm/pages.cc	(working copy)
@@ -321,26 +321,6 @@
 }
 
 
-void PageSpace::SetPeer(RawObject* raw_obj, void* peer) {
-  if (peer == NULL) {
-    peer_table_.erase(raw_obj);
-  } else {
-    peer_table_[raw_obj] = peer;
-  }
-}
-
-
-void* PageSpace::GetPeer(RawObject* raw_obj) {
-  PeerTable::iterator it = peer_table_.find(raw_obj);
-  return (it == peer_table_.end()) ? NULL : it->second;
-}
-
-
-int64_t PageSpace::PeerCount() const {
-  return static_cast<int64_t>(peer_table_.size());
-}
-
-
 void PageSpace::VisitObjectPointers(ObjectPointerVisitor* visitor) const {
   HeapPage* page = pages_;
   while (page != NULL) {