adding a way to get the imgIDecoderObserver back from the request

git-svn-id: svn://10.0.0.236/trunk@90146 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/modules/libpr0n/src/imgRequestProxy.cpp

@@ -164,6 +164,15 @@ NS_IMETHODIMP imgRequestProxy::GetURI(nsIURI **aURI)
   return mOwner->GetURI(aURI);
 }
 
+/* readonly attribute imgIDecoderObserver decoderObserver; */
+NS_IMETHODIMP imgRequestProxy::GetDecoderObserver(imgIDecoderObserver **aDecoderObserver)
+{
+  *aDecoderObserver = mObserver;
+  NS_IF_ADDREF(*aDecoderObserver);
+  return NS_OK;
+}
+
+
 /** imgIContainerObserver methods **/
 
 /* [noscript] void frameChanged (in imgIContainer container, in nsISupports cx, in gfxIImageFrame newframe, in nsRect dirtyRect); */