Temp fix to allow plugins to serve the getErrors APIs.

pkg/analysis_server/lib/src/analysis_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 analysis.server;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:core';
 import 'dart:io' as io;
@@ skipping 344 matching lines @@
    */
   StreamController<String> _onFileAddedController;
 
   /**
    * This exists as a temporary stopgap for plugins, until the official plugin
    * API is complete.
    */
   StreamController<String> _onFileChangedController;
 
   /**
+   * This exists as a temporary stopgap for plugins, until the official plugin
+   * API is complete.
+   */
+  Function onResultErrorSupplementor;
+
+  /**
+   * This exists as a temporary stopgap for plugins, until the official plugin
+   * API is complete.
+   */
+  Function onNoAnalysisResult;
+
+  /**
    * The set of the files that are currently priority.
    */
   final Set<String> priorityFiles = new Set<String>();
 
   /**
    * The DiagnosticServer for this AnalysisServer. If available, it can be used
    * to start an http diagnostics server or return the port for an existing
    * server.
    */
   DiagnosticServer diagnosticServer;
@@ skipping 1964 matching lines @@
   /**
    * The [PerformanceTag] for time spent in server request handlers.
    */
   static PerformanceTag serverRequests = new PerformanceTag('serverRequests');
 
   /**
    * The [PerformanceTag] for time spent in split store microtasks.
    */
   static PerformanceTag splitStore = new PerformanceTag('splitStore');
 }