Trigger analysis when context.applyChanges request is received.

pkg/analysis_server/lib/src/domain_context.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.context;
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
@@ skipping 124 matching lines @@
    */
   Response applyChanges(Request request) {
     AnalysisContext context = getAnalysisContext(request);
     RequestDatum changesData = request.getRequiredParameter(CHANGES_PARAM);
     ChangeSet changeSet = createChangeSet(
         request,
         context.sourceFactory,
         changesData);
 
     context.applyChanges(changeSet);
+    server.addContextToWorkQueue(context);
     Response response = new Response(request.id);
     return response;
   }
 
   /**
    * Convert the given JSON object into a [ChangeSet], using the given
    * [sourceFactory] to convert the embedded strings into sources.
    */
   ChangeSet createChangeSet(Request request, SourceFactory sourceFactory,
                             RequestDatum jsonData) {
@@ skipping 102 matching lines @@
    */
   AnalysisContext getAnalysisContext(Request request) {
     String contextId = request.getRequiredParameter(CONTEXT_ID_PARAM).asString();
     AnalysisContext context = server.contextMap[contextId];
     if (context == null) {
       throw new RequestFailure(new Response.contextDoesNotExist(request));
     }
     return context;
   }
 }