Update dom streams with new signatures.

sdk/lib/indexed_db/dartium/indexed_db_dartium.dart

 library dart.dom.indexed_db;
 
 import 'dart:async';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:nativewrappers';
 // Copyright (c) 2012, 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.
 
@@ skipping 294 matching lines @@
     try {
       var request = _deleteDatabase(name);
 
       if (onBlocked != null) {
         request.onBlocked.listen(onBlocked);
       }
       var completer = new Completer.sync();
       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);
     }
   }
 
   @DomName('IDBFactory.getDatabaseNames')
   @SupportedBrowser(SupportedBrowser.CHROME)
   @Experimental()
   Future<List<String>> getDatabaseNames() {
@@ skipping 47 matching lines @@
  * Ties a request to a completer, so the completer is completed when it succeeds
  * and errors out when the request errors.
  */
 Future _completeRequest(Request request) {
   var completer = new Completer.sync();
   // TODO: make sure that completer.complete is synchronous as transactions
   // may be committed if the result is not processed immediately.
   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
 // 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.
 
 
 @DomName('IDBIndex')
 @Unstable()
 class Index extends NativeFieldWrapperClass1 {
@@ skipping 399 matching lines @@
   /**
    * Helper for iterating over cursors in a request.
    */
   static Stream<Cursor> _cursorStreamFromResult(Request request,
       bool autoAdvance) {
     // TODO: need to guarantee that the controller provides the values
     // immediately as waiting until the next tick will cause the transaction to
     // 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;
       if (cursor == null) {
         controller.close();
       } else {
         controller.add(cursor);
         if (autoAdvance == true && controller.hasListener) {
           cursor.next();
         }
@@ skipping 224 matching lines @@
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('IDBAny')
 @deprecated // nonstandard
 abstract class _IDBAny extends NativeFieldWrapperClass1 {
 
 }