Rejects loading when data is not available for checkHeader

src/worker.js

@@ -149,8 +149,8 @@ var WorkerMessageHandler = {
         pdfManager.ensureModel('parseStartXRef', []).then(function() {
           pdfManager.ensureModel('parse', [recoveryMode]).then(
               parseSuccess, parseFailure);
-      });
-    });
+        }, parseFailure);
+      }, parseFailure);
 
       return loadDocumentPromise;
     }