Adapt streams for additional stackTrace argument.

sdk/lib/_internal/pub/lib/src/barback.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library pub.barback;
 
 import 'dart:async';
 
 import 'package:barback/barback.dart';
 import 'package:path/path.dart' as path;
@@ skipping 55 matching lines @@
 
     var completer = new Completer();
 
     // If any errors get emitted either by barback or by the server, including
     // non-programmatic barback errors, they should take down the whole program.
     var subscriptions = [
       server.barback.errors.listen((error) {
         if (error is TransformerException) error = error.error;
         if (!completer.isCompleted) completer.completeError(error);
       }),
-      server.barback.results.listen((_) {}, onError: (error) {
-        if (!completer.isCompleted) completer.completeError(error);
+      server.barback.results.listen((_) {}, onError: (error, stackTrace) {
+        if (!completer.isCompleted) completer.completeError(error, stackTrace);
       }),
-      server.results.listen((_) {}, onError: (error) {
-        if (!completer.isCompleted) completer.completeError(error);
+      server.results.listen((_) {}, onError: (error, stackTrace) {
+        if (!completer.isCompleted) completer.completeError(error, stackTrace);
       })
     ];
 
     loadAllTransformers(server, graph, builtInTransformers).then((_) {
       if (!completer.isCompleted) completer.complete(server);
-    }).catchError((error) {
-      if (!completer.isCompleted) completer.completeError(error);
+    }).catchError((error, stackTrace) {
+      if (!completer.isCompleted) completer.completeError(error, stackTrace);
     });
 
     return completer.future.whenComplete(() {
       for (var subscription in subscriptions) {
         subscription.cancel();
       }
     });
   });
 }
 
@@ skipping 77 matching lines @@
     }
 
     var package = parts[index + 1];
     var assetPath = path.url.join(dirName,
         path.url.joinAll(parts.skip(index + 2)));
     return new AssetId(package, assetPath);
   }
 
   return null;
 }