Do not use weak handles for ArrayBuffers.

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 70d1ccb7b3652ea968e7397ef97d70ae0d5f9e59..ddb19e5cce4b0a054ad240bda2c3c4aceee902fc 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -2192,6 +2192,8 @@ class Heap {
   void ProcessNativeContexts(WeakObjectRetainer* retainer, bool record_slots);
   void ProcessArrayBuffers(WeakObjectRetainer* retainer, bool record_slots);
 
+  void TearDownArrayBuffers();

[Michael Starzinger, 2013/06/19 11:35:09]

nit: Let's add a short one-liner comments clarifying that this is only used
during heap tear-down ...

// Destroys all memory allocated for array buffers when heap is torn down.

[Dmitry Lomov (no reviews), 2013/06/19 11:51:25]

Done.

+
   // Record statistics before and after garbage collection.
   void ReportStatisticsBeforeGC();
   void ReportStatisticsAfterGC();