Add the ability for objects which derive from RefCountedThreadSafe to specify...

ipc/ipc_channel_proxy.cc

Index: ipc/ipc_channel_proxy.cc
===================================================================
--- ipc/ipc_channel_proxy.cc	(revision 30647)
+++ ipc/ipc_channel_proxy.cc	(working copy)
@@ -10,6 +10,12 @@
 
 namespace IPC {
 
+// static
+void ChannelProxy::MessageFilterTraits::Destruct(
+    ChannelProxy::MessageFilter* filter) {
+  filter->OnDestruct();
+}
+
 //------------------------------------------------------------------------------
 
 // This task ensures the message is deleted if the task is deleted without