Replaces ::ui:: with ui:: in ash

ash/mus/status_layout_manager.h

 // Copyright 2015 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_MUS_STATUS_LAYOUT_MANAGER_H_
 #define ASH_MUS_STATUS_LAYOUT_MANAGER_H_
 
 #include "ash/mus/layout_manager.h"
 #include "base/macros.h"
 #include "mash/shelf/public/interfaces/shelf_constants.mojom.h"
 
 namespace ash {
 namespace mus {
 
 // Lays out the status container, which contains the status area widget and
 // notifications.
 class StatusLayoutManager : public LayoutManager {
  public:
-  explicit StatusLayoutManager(::ui::Window* owner);
+  explicit StatusLayoutManager(ui::Window* owner);
   ~StatusLayoutManager() override;
 
   void SetAlignment(mash::shelf::mojom::Alignment alignment);
   void SetAutoHideBehavior(mash::shelf::mojom::AutoHideBehavior auto_hide);
 
  private:
   // Overridden from LayoutManager:
-  void LayoutWindow(::ui::Window* window) override;
+  void LayoutWindow(ui::Window* window) override;
 
   mash::shelf::mojom::Alignment alignment_;
   mash::shelf::mojom::AutoHideBehavior auto_hide_behavior_;
 
   DISALLOW_COPY_AND_ASSIGN(StatusLayoutManager);
 };
 
 }  // namespace mus
 }  // namespace ash
 
 #endif  // ASH_MUS_STATUS_LAYOUT_MANAGER_H_