Temp fix to allow plugins to serve the getErrors APIs.

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index 78b8bcb87fe14141916e191d9a0a411ce36badd7..2c5196787e66cbe26e8a62364c8c72ffd913f54e 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -362,6 +362,18 @@ class AnalysisServer {
   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>();