new onPriorityChanged event stream

pkg/analysis_server/lib/src/domain_analysis.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 domain.analysis;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/computer/computer_hover.dart';
@@ skipping 123 matching lines @@
         params.excluded,
         params.packageRoots == null ? {} : params.packageRoots);
     return new AnalysisSetAnalysisRootsResult().toResponse(request.id);
   }
 
   /**
    * Implement the 'analysis.setPriorityFiles' request.
    */
   Response setPriorityFiles(Request request) {
     var params = new AnalysisSetPriorityFilesParams.fromRequest(request);
-    server.setPriorityFiles(request, params.files);
+    server.setPriorityFiles(request.id, params.files);
     return new AnalysisSetPriorityFilesResult().toResponse(request.id);
   }
 
   /**
    * Implement the 'analysis.setSubscriptions' request.
    */
   Response setSubscriptions(Request request) {
     var params = new AnalysisSetSubscriptionsParams.fromRequest(request);
     // parse subscriptions
     Map<AnalysisService, Set<String>> subMap = mapMap(
@@ skipping 53 matching lines @@
     }
     if (newOptions.generateHints != null) {
       updaters.add((engine.AnalysisOptionsImpl options) {
         options.hint = newOptions.generateHints;
       });
     }
     server.updateOptions(updaters);
     return new AnalysisUpdateOptionsResult().toResponse(request.id);
   }
 }