am 24855c09: merge various SF fixes from gingerbread to honeycomb-mr2 (DO NOT MERGE)

* commit '24855c09173a6caaec7dcedd0c2d7ce15121d39b':
  merge various SF fixes from gingerbread to honeycomb-mr2 (DO NOT MERGE)

1 files changed, 8 insertions, 1 deletions

diff --git a/include/utils/RefBase.h b/include/utils/RefBase.h
index f3550877133f..e88cb29b7f99 100644
--- a/include/utils/RefBase.h
+++ b/include/utils/RefBase.h
@@ -120,7 +120,14 @@ public:
 protected:
                             RefBase();
     virtual                 ~RefBase();
-    
+
+    // called when the last reference goes away. this is responsible for
+    // calling the destructor. The default implementation just does
+    // "delete this;".
+    // Make sure to never acquire a strong reference from this function. The
+    // same restrictions than for destructors apply.
+    virtual void            destroy() const;
+
     //! Flags for extendObjectLifetime()
     enum {
         OBJECT_LIFETIME_WEAK    = 0x0001,