Remove unused analysisContext from completion request and contributors

pkg/analysis_server/test/services/completion/dart/completion_manager_test.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.manager;
 
 import 'dart:async';
 
 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';
 import 'package:analysis_server/src/services/completion/dart/imported_reference_contributor.dart';
-import 'package:analyzer/dart/ast/standard_resolution_map.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/task/dart.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import 'completion_contributor_util.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(CompletionManagerTest);
@@ skipping 20 matching lines @@
 ''');
     var libSource = addSource(
         '/libB.dart',
         '''
 library libB;
 import "/libA.dart" as foo;
 part '$testFile';
 ''');
     addTestSource('part of libB; main() {^}');
 
-    // Associate part with library
-    if (!enableNewAnalysisDriver) {
-      context.computeResult(libSource, LIBRARY_CYCLE_UNITS);
-    }
-
     // Build the request
     CompletionRequestImpl baseRequest = new CompletionRequestImpl(
-        enableNewAnalysisDriver ? await driver.getResult(testFile) : null,
-        enableNewAnalysisDriver ? null : context,
+        await driver.getResult(testFile),
         provider,
         testSource,
         completionOffset,
         new CompletionPerformance(),
         null);
     Completer<DartCompletionRequest> requestCompleter =
         new Completer<DartCompletionRequest>();
     DartCompletionRequestImpl
         .from(baseRequest, resultDescriptor: RESOLVED_UNIT1)
         .then((DartCompletionRequest request) {
@@ skipping 16 matching lines @@
     void assertImportedLib(String expectedUri) {
       ImportElement importElem = importNamed(expectedUri);
       expect(importElem.importedLibrary.exportNamespace, isNotNull);
     }
 
     // Assert that the new imports each have an export namespace
     assertImportedLib(null /* dart:core */);
     assertImportedLib('/libA.dart');
   }
 }