Remove ability to disable new analysis driver

pkg/analysis_server/lib/src/search/search_domain.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.
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol_server.dart' as protocol;
 import 'package:analysis_server/src/search/element_references.dart';
@@ skipping 33 matching lines @@
   SearchDomainHandler(AnalysisServer server)
       : server = server,
         index = server.index,
         searchEngine = server.searchEngine;
 
   Future findElementReferences(protocol.Request request) async {
     var params =
         new protocol.SearchFindElementReferencesParams.fromRequest(request);
     String file = params.file;
     // prepare element
-    if (!server.options.enableNewAnalysisDriver) {
-      await server.onAnalysisComplete;
-    }
     Element element = await server.getElementAtOffset(file, params.offset);
     if (element is ImportElement) {
       element = (element as ImportElement).prefix;
     }
     if (element is FieldFormalParameterElement) {
       element = (element as FieldFormalParameterElement).field;
     }
     if (element is PropertyAccessorElement) {
       element = (element as PropertyAccessorElement).variable;
     }
@@ skipping 67 matching lines @@
     matches = SearchMatch.withNotNullElement(matches);
     _sendSearchNotification(searchId, true, matches.map(toResult));
   }
 
   /**
    * Implement the `search.getTypeHierarchy` request.
    */
   Future getTypeHierarchy(protocol.Request request) async {
     var params = new protocol.SearchGetTypeHierarchyParams.fromRequest(request);
     String file = params.file;
-    // wait for analysis
-    if (!server.options.enableNewAnalysisDriver) {
-      if (params.superOnly == true) {
-        await server.onFileAnalysisComplete(file);
-      } else {
-        await server.onAnalysisComplete;
-      }
-    }
     // prepare element
     Element element = await server.getElementAtOffset(file, params.offset);
     if (element == null) {
       _sendTypeHierarchyNull(request);
       return;
     }
     // maybe supertype hierarchy only
     if (params.superOnly == true) {
       TypeHierarchyComputer computer =
           new TypeHierarchyComputer(searchEngine, element);
@@ skipping 58 matching lines @@
   void _sendTypeHierarchyNull(protocol.Request request) {
     protocol.Response response =
         new protocol.SearchGetTypeHierarchyResult().toResponse(request.id);
     server.sendResponse(response);
   }
 
   static protocol.SearchResult toResult(SearchMatch match) {
     return protocol.newSearchResult_fromMatch(match);
   }
 }