Fix title info for PDF document

src/worker.js

@@ -94,7 +94,7 @@ var WorkerMessageHandler = {
         fingerprint: pdfModel.getFingerprint(),
         destinations: pdfModel.catalog.destinations,
         outline: pdfModel.catalog.documentOutline,
-        info: pdfModel.info,
+        info: pdfModel.getDocumentInfo(),
         metadata: pdfModel.catalog.metadata
       };
       handler.send('GetDoc', {pdfInfo: doc});

web/viewer.js

@@ -550,7 +550,8 @@ var PDFView = {
       self.setInitialView(storedHash, scale);
     });
 
-    pdfDocument.getMetadata().then(function(info, metadata) {
+    pdfDocument.getMetadata().then(function(data) {
+      var info = data.info, metadata = data.metadata;
       self.documentInfo = info;
       self.metadata = metadata;