More steps toward making server strong mode clean

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.
 
 library mocks;
 
 import 'dart:async';
 import 'dart:io';
-@MirrorsUsed(targets: 'mocks', override: '*')
 import 'dart:mirrors';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart'
     hide Element, ElementKind;
 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;
@@ skipping 256 matching lines @@
   bool get isContinue => false;
 
   @override
   void perform(AnalysisServer server) => this._perform(server);
 }
 
 /**
  * A mock [WebSocket] for testing.
  */
 class MockSocket<T> implements WebSocket {
-  StreamController controller = new StreamController();
-  MockSocket twin;
-  Stream stream;
+  StreamController<T> controller = new StreamController<T>();
+  MockSocket<T> twin;
+  Stream<T> stream;
 
   MockSocket();
 
   factory MockSocket.pair() {
-    MockSocket socket1 = new MockSocket();
-    MockSocket socket2 = new MockSocket();
+    MockSocket<T> socket1 = new MockSocket<T>();
+    MockSocket<T> socket2 = new MockSocket<T>();
     socket1.twin = socket2;
     socket2.twin = socket1;
     socket1.stream = socket2.controller.stream;
     socket2.stream = socket1.controller.stream;
     return socket1;
   }
 
   void add(T text) => controller.add(text);
 
   void allowMultipleListeners() {
     stream = stream.asBroadcastStream();
   }
 
   Future close([int code, String reason]) =>
       controller.close().then((_) => twin.controller.close());
 
   StreamSubscription<T> listen(void onData(T event),
           {Function onError, void onDone(), bool cancelOnError}) =>
       stream.listen(onData,
           onError: onError, onDone: onDone, cancelOnError: cancelOnError);
 
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 
-  Stream<T> where(bool test(T)) => stream.where(test);
+  Stream<T> where(bool test(T t)) => stream.where(test);
 }
 
 class MockSource extends StringTypedMock implements Source {
   MockSource([String name = 'mocked.dart']) : super(name);
 }
 
 class MockTopLevelVariableElement extends TypedMock
     implements TopLevelVariableElement {
   final ElementKind kind = ElementKind.TOP_LEVEL_VARIABLE;
 }
@@ skipping 108 matching lines @@
     }
     return mismatchDescription;
   }
 
   @override
   bool matches(item, Map matchState) {
     Response response = item;
     return response != null && response.id == _id && response.error == null;
   }
 }