Implement 'analysis.occurrences' for the new analysis driver.

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 1833 matching lines @@
             sendAnalysisNotificationHighlights(analysisServer, path, unit);
           });
         }
         if (analysisServer._hasAnalysisServiceSubscription(
             AnalysisService.NAVIGATION, path)) {
           _runDelayed(() {
             new_sendDartNotificationNavigation(analysisServer, result);
           });
         }
         if (analysisServer._hasAnalysisServiceSubscription(
+            AnalysisService.OCCURRENCES, path)) {
+          _runDelayed(() {
+            new_sendDartNotificationOccurrences(analysisServer, result);
+          });
+        }
+        if (analysisServer._hasAnalysisServiceSubscription(
             AnalysisService.OVERRIDES, path)) {
           _runDelayed(() {
             sendAnalysisNotificationOverrides(analysisServer, path, unit);
           });
         }
         if (analysisServer._hasAnalysisServiceSubscription(
             AnalysisService.OUTLINE, path)) {
           _runDelayed(() {
             SourceKind sourceKind =
                 unit.directives.any((d) => d is PartOfDirective)
@@ skipping 252 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');
 }