Don't return an async proxied object when the socket transport is asked for its ProgressEventSink. r=dougt, sr=shaver.

netwerk/base/src/nsSocketTransport.cpp

@@ -1161,15 +1161,17 @@ NS_IMETHODIMP
 nsSocketTransport::GetProgressEventSink(nsIProgressEventSink **aResult)
 {
     NS_ENSURE_ARG_POINTER(aResult);
-    NS_ADDREF(*aResult = mEventSink);
+    *aResult = mNonProxiedEventSink;
+    NS_IF_ADDREF(*aResult);
     return NS_OK;
 }
 
 NS_IMETHODIMP
 nsSocketTransport::SetProgressEventSink(nsIProgressEventSink *aEventSink)
 {
-    mEventSink = nsnull;
+    mEventSink = mNonProxiedEventSink = 0;
     if (aEventSink) {
+        mNonProxiedEventSink = aEventSink;
         nsresult rv;
         // Now generate a proxied event sink-
         NS_WITH_SERVICE(nsIProxyObjectManager, 

netwerk/base/src/nsSocketTransport.h

@@ -216,6 +216,7 @@ protected:
     nsSocketState                   mCurrentState;
     nsCOMPtr<nsIRequest>            mDNSRequest;
     nsCOMPtr<nsIProgressEventSink>  mEventSink;
+    nsCOMPtr<nsIProgressEventSink>  mNonProxiedEventSink;
     char*                           mHostName;
     PRInt32                         mPort;
     PRIntervalTime                  mLastActiveTime;