SDK fixes

test/generated_sdk/lib/async/stream_pipe.dart

 // 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.
 
 part of dart.async;
 
 /** Runs user code and takes actions depending on success or failure. */
 _runUserCode(userCode(),
              onSuccess(value),
              onError(error, StackTrace stackTrace)) {
@@ skipping 82 matching lines @@
       Function onError,
       void onDone(),
       bool cancelOnError) {
     return new _ForwardingStreamSubscription<S, T>(
         this, onData, onError, onDone, cancelOnError);
   }
 
   // Override the following methods in subclasses to change the behavior.
 
   void _handleData(S data, _EventSink<T> sink) {
-    var outputData = data;
+    dynamic outputData = data;
     sink._add(outputData);
   }
 
   void _handleError(error, StackTrace stackTrace, _EventSink<T> sink) {
     sink._addError(error, stackTrace);
   }
 
   void _handleDone(_EventSink<T> sink) {
     sink._close();
   }
@@ skipping 315 matching lines @@
         _addErrorWithReplacement(sink, e, s);
         return null;
       }
       if (!isEqual) {
         sink._add(inputEvent);
         _previous = inputEvent;
       }
     }
   }
 }