Bug 694165: After receiving final data for SVG-as-an-image, when we synchronously finish parsing, cancel any continue events that the parser posts. r=hsivonen

modules/libpr0n/src/SVGDocumentWrapper.cpp

@@ -302,6 +302,7 @@ SVGDocumentWrapper::OnStopRequest(nsIRequest* aRequest, nsISupports* ctxt,
     // up to this promise.
     nsCOMPtr<nsIParser> parser = do_QueryInterface(mListener);
     while (!parser->IsComplete()) {
+      parser->CancelParsingEvents();
       parser->ContinueInterruptedParsing();
     }
     FlushLayout();