ash: Rename more Launcher classes to Shelf*.

ash/test/launcher_item_delegate_manager_test_api.h

-// Copyright 2013 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 ASH_TEST_LAUNCHER_ITEM_DELEGATE_MANAGER_TEST_API_H_
-#define ASH_TEST_LAUNCHER_ITEM_DELEGATE_MANAGER_TEST_API_H_
-
-#include "base/basictypes.h"
-
-namespace ash {
-
-class LauncherItemDelegateManager;
-
-namespace test {
-
-// Accesses private methods from a LauncherItemDelegateManager for testing.
-class LauncherItemDelegateManagerTestAPI {
- public:
-  explicit LauncherItemDelegateManagerTestAPI(
-      LauncherItemDelegateManager* manager);
-
-  // Clear all exsiting LauncherItemDelegate for test.
-  void RemoveAllLauncherItemDelegateForTest();
-
- private:
-  LauncherItemDelegateManager* manager_;  // Not owned.
-
-  DISALLOW_COPY_AND_ASSIGN(LauncherItemDelegateManagerTestAPI);
-};
-
-}  // namespace test
-}  // namespace ash
-
-#endif  // ASH_TEST_LAUNCHER_ITEM_DELEGATE_MANAGER_TEST_API_H_