Simplify WorkItemListTest.

chrome/installer/util/work_item_mocks.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_INSTALLER_UTIL_WORK_ITEM_MOCKS_H_
+#define CHROME_INSTALLER_UTIL_WORK_ITEM_MOCKS_H_
+
+#include "base/macros.h"
+#include "chrome/installer/util/conditional_work_item_list.h"
+#include "chrome/installer/util/work_item.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+class MockWorkItem : public WorkItem {
+ public:
+  MockWorkItem();
+  ~MockWorkItem();
+
+  MOCK_METHOD0(Do, bool());
+  MOCK_METHOD0(Rollback, void());
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockWorkItem);
+};
+
+class MockCondition : public WorkItem::Condition {
+ public:
+  MockCondition();
+  ~MockCondition();
+
+  MOCK_CONST_METHOD0(ShouldRun, bool());
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockCondition);
+};
+
+using StrictMockWorkItem = testing::StrictMock<MockWorkItem>;
+using StrictMockCondition = testing::StrictMock<MockCondition>;
+
+#endif  // CHROME_INSTALLER_UTIL_WORK_ITEM_MOCKS_H_