Rework instrumentation API

pkg/analysis_server/lib/http_server.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 http.server;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:analysis_server/src/channel/web_socket_channel.dart';
@@ skipping 90 matching lines @@
       }
     });
   }
 
   /**
    * Handle an UPGRADE request received by the HTTP server by creating and
    * running an analysis server on a [WebSocket]-based communication channel.
    */
   void _handleWebSocket(WebSocket socket) {
     socketServer.createAnalysisServer(
-        new WebSocketServerChannel(socket, socketServer.instrumentationServer));
+        new WebSocketServerChannel(socket, socketServer.instrumentationService));
   }
 
   /**
    * Return an error in response to an unrecognized request received by the HTTP
    * server.
    */
   void _returnUnknownRequest(HttpRequest request) {
     HttpResponse response = request.response;
     response.statusCode = HttpStatus.NOT_FOUND;
     response.headers.add(HttpHeaders.CONTENT_TYPE, "text/plain");
     response.write('Not found');
     response.close();
   }
 }