Bug 708935 - Make the DNS listener proxies release the nsIDNSListener on the main thread, to solve last-release issues and ASSERTION: ASSERTION: nsStandardURL not thread-safe from PendingPACQuery, r=mcmanus

--HG--
extra : rebase_source : 6b66b58398a7e671fff19044848ed497cd019dd5

netwerk/dns/nsDNSService2.cpp

@@ -43,6 +43,7 @@
 #include "nsIPrefBranch.h"
 #include "nsIPrefBranch2.h"
 #include "nsIServiceManager.h"
+#include "nsProxyRelease.h"
 #include "nsReadableUtils.h"
 #include "nsString.h"
 #include "nsAutoPtr.h"
@@ -485,6 +486,12 @@ public:
     , mTargetThread(aTargetThread)
   { }
 
+  ~DNSListenerProxy()
+  {
+    nsCOMPtr<nsIThread> mainThread(do_GetMainThread());
+    NS_ProxyRelease(mainThread, mListener);
+  }
+
   NS_DECL_ISUPPORTS
   NS_DECL_NSIDNSLISTENER
 
@@ -501,6 +508,12 @@ public:
       , mStatus(aStatus)
     { }
 
+    ~OnLookupCompleteRunnable()
+    {
+      nsCOMPtr<nsIThread> mainThread(do_GetMainThread());
+      NS_ProxyRelease(mainThread, mListener);
+    }
+
     NS_DECL_NSIRUNNABLE
 
   private: