[ash-md] Applied Material Design layout to TrayItemMore system menu rows.

ash/common/system/tray/tray_item_more.h

 // Copyright (c) 2012 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_COMMON_SYSTEM_TRAY_TRAY_ITEM_MORE_H_
 #define ASH_COMMON_SYSTEM_TRAY_TRAY_ITEM_MORE_H_
 
 #include <memory>
 
 #include "ash/common/system/tray/actionable_view.h"
@@ skipping 36 matching lines @@
   //
   // By default this will be called when OnNativeThemeChanged() is called which
   // will ensure the most up to date theme is actually applied.
   virtual void UpdateStyle();
 
  private:
   // Overridden from ActionableView.
   bool PerformAction(const ui::Event& event) override;
 
   // Overridden from views::View.
-  void Layout() override;
   void GetAccessibleState(ui::AXViewState* state) override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
 
   // True if |more_| should be shown.
   bool show_more_;
   views::ImageView* icon_;
   views::Label* label_;
   views::ImageView* more_;
   base::string16 accessible_name_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayItemMore);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_TRAY_TRAY_ITEM_MORE_H_