Bug 1362354 - Handle XHRs with aborted bindings as aborted rather than network errors. r=baku

MozReview-Commit-ID: 86e00dRe6qc

dom/xhr/XMLHttpRequestMainThread.cpp

@@ -2100,6 +2100,14 @@ XMLHttpRequestMainThread::OnStopRequest(nsIRequest *request, nsISupports *ctxt,
   mXMLParserStreamListener = nullptr;
   mContext = nullptr;
 
+  // If window.stop() or other aborts were issued, handle as an abort
+  if (status == NS_BINDING_ABORTED) {
+    mFlagParseBody = false;
+    IgnoredErrorResult rv;
+    RequestErrorSteps(ProgressEventType::abort, NS_OK, rv);
+    return NS_OK;
+  }
+
   bool waitingForBlobCreation = false;
 
   // If we have this error, we have to deal with a file: URL + responseType =