Create a message filter for message port messages. This allows a nice cleanu...

chrome/browser/browser_child_process_host.h

Index: chrome/browser/browser_child_process_host.h
===================================================================
--- chrome/browser/browser_child_process_host.h	(revision 69724)
+++ chrome/browser/browser_child_process_host.h	(working copy)
@@ -116,6 +116,10 @@
   // the host list. Calls ChildProcessHost::ForceShutdown
   virtual void ForceShutdown();
 
+  ResourceDispatcherHost* resource_dispatcher_host() {
+    return resource_dispatcher_host_;
+  }
+
  private:
   void Initialize(ResourceMessageFilter::URLRequestContextOverride*
       url_request_context_override);