chromeos: Rename ash::WmShelf to Shelf

ash/shelf/shelf_tooltip_manager_unittest.cc

 // 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.
 
 #include "ash/shelf/shelf_tooltip_manager.h"
 
 #include "ash/public/cpp/config.h"
 #include "ash/shelf/app_list_button.h"
+#include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_model.h"
 #include "ash/shelf/shelf_view.h"
-#include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/shelf_view_test_api.h"
 #include "base/memory/ptr_util.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
@@ skipping 213 matching lines @@
 
   // Should not hide for key events.
   tooltip_manager_->ShowTooltip(shelf_view_->GetAppListButton());
   ASSERT_TRUE(tooltip_manager_->IsVisible());
   generator.PressKey(ui::VKEY_A, ui::EF_NONE);
   EXPECT_TRUE(tooltip_manager_->IsVisible());
 }
 
 }  // namespace test
 }  // namespace ash