Cleaned analysis result for observatory

runtime/observatory/lib/service_html.dart

 // Copyright (c) 2014, 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 service_html;
 
 import 'dart:async';
 import 'dart:html';
 import 'dart:typed_data';
 
@@ skipping 22 matching lines @@
 
   void close() {
     _webSocket.close();
   }
 
   Future<ByteData> nonStringToByteData(dynamic data) {
     assert(data is Blob);
     FileReader fileReader = new FileReader();
     fileReader.readAsArrayBuffer(data);
     return fileReader.onLoadEnd.first.then((e) {
-      var result = fileReader.result;
+      Uint8List result = fileReader.result as Uint8List;
       return new ByteData.view(
           result.buffer, result.offsetInBytes, result.length);
     });
   }
 }
 
 /// The [WebSocketVM] communicates with a Dart VM over WebSocket. The Dart VM
 /// can be embedded in Chromium or standalone. In the case of Chromium, we
 /// make the service requests via the Chrome Remote Debugging Protocol.
 class WebSocketVM extends CommonWebSocketVM {
   WebSocketVM(WebSocketVMTarget target) : super(target, new _HtmlWebSocket());
 }