Update dom streams with new signatures.

sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart

Index: sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart
diff --git a/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart b/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart
index ca20f438a6ac4ff056eabca407df76ab09773891..72a57d8a7f61a0a8dc5160705c07823e40fa4ec5 100644
--- a/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart
+++ b/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart
@@ -524,9 +524,7 @@ class IdbFactory extends Interceptor native "IDBFactory" {
       request.onSuccess.listen((e) {
         completer.complete(this);
       });
-      request.onError.listen((e) {
-        completer.completeError(e);
-      });
+      request.onError.listen(completer.completeError);
       return completer.future;
     } catch (e, stacktrace) {
       return new Future.error(e, stacktrace);
@@ -597,9 +595,7 @@ Future _completeRequest(Request request) {
   request.onSuccess.listen((e) {
     completer.complete(request.result);
   });
-  request.onError.listen((e) {
-    completer.completeError(e);
-  });
+  request.onError.listen(completer.completeError);
   return completer.future;
 }
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
@@ -1128,10 +1124,8 @@ class ObjectStore extends Interceptor native "IDBObjectStore" {
     // close.
     var controller = new StreamController(sync: true);
 
-    request.onError.listen((e) {
-      //TODO: Report stacktrace once issue 4061 is resolved.
-      controller.addError(e);
-    });
+    //TODO: Report stacktrace once issue 4061 is resolved.
+    request.onError.listen(controller.addError);
 
     request.onSuccess.listen((e) {
       Cursor cursor = request.result;