Replace computeNode() with AstProvider in search.

pkg/analysis_server/test/services/completion/dart/completion_contributor_util.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 test.services.completion.dart.util;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart' as protocol
     show Element, ElementKind;
 import 'package:analysis_server/plugin/protocol/protocol.dart'
     hide Element, ElementKind;
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/provisional/completion/dart/completion_dart.dart';
 import 'package:analysis_server/src/services/completion/completion_core.dart';
 import 'package:analysis_server/src/services/completion/completion_performance.dart';
 import 'package:analysis_server/src/services/completion/dart/completion_manager.dart'
     show DartCompletionRequestImpl, ReplacementRange;
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/search/search_engine_internal.dart';
+import 'package:analyzer/src/dart/analysis/ast_provider_context.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/task/dart.dart';
 import 'package:test/test.dart';
 
 import '../../../abstract_context.dart';
 
 int suggestionComparator(CompletionSuggestion s1, CompletionSuggestion s2) {
   String c1 = s1.completion.toLowerCase();
   String c2 = s2.completion.toLowerCase();
@@ skipping 427 matching lines @@
   Future computeSuggestions([int times = 200]) async {
     AnalysisResult analysisResult = null;
     if (enableNewAnalysisDriver) {
       analysisResult = await driver.getResult(testFile);
       testSource = analysisResult.unit.element.source;
     } else {
       context.analysisPriorityOrder = [testSource];
     }
     CompletionRequestImpl baseRequest = new CompletionRequestImpl(
         analysisResult,
-        enableNewAnalysisDriver ? null: context,
+        enableNewAnalysisDriver ? null : context,
         provider,
         searchEngine,
         testSource,
         completionOffset,
         new CompletionPerformance());
 
     // Build the request
     Completer<DartCompletionRequest> requestCompleter =
         new Completer<DartCompletionRequest>();
     DartCompletionRequestImpl
@@ skipping 61 matching lines @@
           cs = s;
         } else {
           failedCompletion('expected exactly one $cs',
               suggestions.where((s) => s.completion == completion));
         }
       });
     }
     return cs;
   }
 
-  Future/*<E>*/ performAnalysis/*<E>*/(int times, Completer/*<E>*/ completer) async {
+  Future/*<E>*/ performAnalysis/*<E>*/(
+      int times, Completer/*<E>*/ completer) async {
     if (completer.isCompleted) {
       return completer.future;
     }
     if (enableNewAnalysisDriver) {
       // Just wait.
     } else {
       if (times == 0 || context == null) {
         return new Future.value();
       }
       context.performAnalysisTask();
@@ skipping 11 matching lines @@
     if (!enableNewAnalysisDriver) {
       var target = new LibrarySpecificUnit(libSource, libSource);
       context.computeResult(target, RESOLVED_UNIT);
     }
   }
 
   @override
   void setUp() {
     super.setUp();
     index = createMemoryIndex();
-    searchEngine = new SearchEngineImpl(index);
+    searchEngine =
+        new SearchEngineImpl(index, (_) => new AstProviderForContext(context));
     contributor = createContributor();
   }
 }