The doc loader should release the underlying channel once the channel issues a OnStopRequest. This allows the

channel to go away after we load the url instead of making it stick around until the next url comes in (that's
when we used to get rid of the previous channel).
r=rpotts.

uriloader/base/nsDocLoader.cpp

@@ -744,6 +744,8 @@ nsDocLoaderImpl::OnStopRequest(nsIChannel *channel, nsISupports *ctxt,
         mIsLoadingDocument = PR_FALSE;
         FireOnEndDocumentLoad(this, status);
     }
+
+	mDocumentChannel = null_nsCOMPtr();
     return NS_OK;
 }
 

webshell/src/nsDocLoader.cpp

@@ -744,6 +744,8 @@ nsDocLoaderImpl::OnStopRequest(nsIChannel *channel, nsISupports *ctxt,
         mIsLoadingDocument = PR_FALSE;
         FireOnEndDocumentLoad(this, status);
     }
+
+	mDocumentChannel = null_nsCOMPtr();
     return NS_OK;
 }