Format all files under the sdk/lib directory.

sdk/lib/async/stream.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.
 
 part of dart.async;
 
 // -------------------------------------------------------------------
 // Core Stream types
 // -------------------------------------------------------------------
 
@@ skipping 853 matching lines @@
    * Discards all data on the stream, but signals when it's done or an error
    * occurred.
    *
    * When subscribing using [drain], cancelOnError will be true. This means
    * that the future will complete with the first error on the stream and then
    * cancel the subscription.
    *
    * In case of a `done` event the future completes with the given
    * [futureValue].
    */
-  Future<E> drain<E>([E futureValue]) => listen(null, cancelOnError: true)
-      .asFuture<E>(futureValue);
+  Future<E> drain<E>([E futureValue]) =>
+      listen(null, cancelOnError: true).asFuture<E>(futureValue);
 
   /**
    * Provides at most the first [count] data events of this stream.
    *
    * Forwards all events of this stream to the returned stream
    * until [count] data events have been forwarded or this stream ends,
    * then ends the returned stream with a done event.
    *
    * If this stream produces fewer than [count] data events before it's done,
    * so will the returned stream.
@@ skipping 904 matching lines @@
   }
 
   void addError(error, [StackTrace stackTrace]) {
     _sink.addError(error, stackTrace);
   }
 
   void close() {
     _sink.close();
   }
 }