Remove Layout code from ContentsSwitcherView.

ui/app_list/views/contents_switcher_view.h

 // Copyright 2014 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 UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_
 #define UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_
 
 #include "base/basictypes.h"
 #include "ui/app_list/pagination_model_observer.h"
 #include "ui/views/controls/button/button.h"
@@ skipping 13 matching lines @@
   virtual ~ContentsSwitcherView();
 
   ContentsView* contents_view() const { return contents_view_; }
 
   // Adds a switcher button using |resource_id| as the button's image, which
   // opens the page with index |page_index| in the ContentsView. |resource_id|
   // is ignored if it is 0.
   void AddSwitcherButton(int resource_id, int page_index);
 
  private:
-  // Overridden from views::View:
-  virtual gfx::Size GetPreferredSize() const OVERRIDE;
-  virtual void Layout() OVERRIDE;
-
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
   // Overridden from PaginationModelObserver:
   virtual void TotalPagesChanged() OVERRIDE;
   virtual void SelectedPageChanged(int old_selected, int new_selected) OVERRIDE;
   virtual void TransitionStarted() OVERRIDE;
   virtual void TransitionChanged() OVERRIDE;
 
   ContentsView* contents_view_;  // Owned by views hierarchy.
-  views::View* buttons_;         // Owned by views hierarchy.
+
   // Stores Views owned by views hierarchy.
   std::vector<views::View*> page_active_indicators_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentsSwitcherView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_