Converted Observatory icdata-view element

runtime/observatory/tests/observatory_ui/mocks/repositories/icdata.dart

+// Copyright (c) 2016, 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.
+
+part of mocks;
+
+typedef Future<M.ICData> ICDataRepositoryMockCallback(M.IsolateRef isolate,
+                                                      String id);
+
+class ICDataRepositoryMock implements M.ICDataRepository {
+  final ICDataRepositoryMockCallback _get;
+
+  ICDataRepositoryMock({ICDataRepositoryMockCallback getter})
+    : _get = getter;
+
+  Future<M.ICData> get(M.IsolateRef isolate, String id, {int count}){
+    if (_get != null) {
+      return _get(isolate, id);
+    }
+    return new Future.value(null);
+  }
+}