Remove the unused operations queue

pkg/analysis_server/test/mocks.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 'dart:io';
 
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/channel/channel.dart';
-import 'package:analysis_server/src/operation/operation.dart';
-import 'package:analysis_server/src/operation/operation_analysis.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/file_system/file_system.dart' as resource;
 import 'package:analyzer/file_system/memory_file_system.dart' as resource;
 import 'package:analyzer/source/package_map_provider.dart';
 import 'package:analyzer/source/pub_package_map_provider.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:test/test.dart';
 import 'package:typed_mock/typed_mock.dart';
 
@@ skipping 222 matching lines @@
   }
 
   Future<Response> waitForResponse(Request request) {
     String id = request.id;
     return new Future<Response>(() => responseController.stream
         .firstWhere((response) => response.id == id) as Future<Response>);
   }
 }
 
 /**
- * A mock [ServerOperation] for testing [AnalysisServer].
- */
-class MockServerOperation implements PerformAnalysisOperation {
-  final ServerOperationPriority priority;
-  final MockServerOperationPerformFunction _perform;
-
-  MockServerOperation(this.priority, this._perform);
-
-  @override
-  AnalysisContext get context => null;
-
-  @override
-  bool get isContinue => false;
-
-  @override
-  void perform(AnalysisServer server) => this._perform(server);
-}
-
-/**
  * A mock [WebSocket] for testing.
  */
 class MockSocket<T> implements WebSocket {
   StreamController<T> controller = new StreamController<T>();
   MockSocket<T> twin;
   Stream<T> stream;
 
   MockSocket();
 
   factory MockSocket.pair() {
@@ skipping 144 matching lines @@
     }
     return mismatchDescription;
   }
 
   @override
   bool matches(item, Map matchState) {
     Response response = item;
     return response != null && response.id == _id && response.error == null;
   }
 }