chromeos: Rename ash::WmShelf to Shelf

ash/shelf/shelf_tooltip_manager.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_SHELF_SHELF_TOOLTIP_MANAGER_H_
 #define ASH_SHELF_SHELF_TOOLTIP_MANAGER_H_
 
 #include "ash/ash_export.h"
-#include "ash/shelf/wm_shelf_observer.h"
+#include "ash/shelf/shelf_observer.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 #include "ui/events/event_handler.h"
 #include "ui/views/pointer_watcher.h"
 
 namespace views {
 class BubbleDialogDelegateView;
 class View;
 }
 
 namespace ash {
 class ShelfView;
 
 namespace test {
 class ShelfTooltipManagerTest;
 class ShelfViewTest;
 }
 
 // ShelfTooltipManager manages the tooltip bubble that appears for shelf items.
 class ASH_EXPORT ShelfTooltipManager : public ui::EventHandler,
                                        public views::PointerWatcher,
-                                       public WmShelfObserver {
+                                       public ShelfObserver {
  public:
   explicit ShelfTooltipManager(ShelfView* shelf_view);
   ~ShelfTooltipManager() override;
 
   // Initializes the tooltip manager once the shelf is shown.
   void Init();
 
   // Closes the tooltip.
   void Close();
 
@@ skipping 12 matching lines @@
 
  protected:
   // ui::EventHandler overrides:
   void OnMouseEvent(ui::MouseEvent* event) override;
 
   // views::PointerWatcher overrides:
   void OnPointerEventObserved(const ui::PointerEvent& event,
                               const gfx::Point& location_in_screen,
                               views::Widget* target) override;
 
-  // WmShelfObserver overrides:
+  // ShelfObserver overrides:
   void WillChangeVisibilityState(ShelfVisibilityState new_state) override;
   void OnAutoHideStateChanged(ShelfAutoHideState new_state) override;
 
  private:
   class ShelfTooltipBubble;
   friend class test::ShelfViewTest;
   friend class test::ShelfTooltipManagerTest;
 
   // A helper function to check for shelf visibility and view validity.
   bool ShouldShowTooltipForView(views::View* view);
 
   int timer_delay_;
   base::OneShotTimer timer_;
 
   ShelfView* shelf_view_;
   views::BubbleDialogDelegateView* bubble_;
 
   base::WeakPtrFactory<ShelfTooltipManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfTooltipManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_TOOLTIP_MANAGER_H_