ash: Update app list UI to match latest crwm.

ash/app_list/app_list_model_view.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_APP_LIST_APP_LIST_MODEL_VIEW_H_
 #define ASH_APP_LIST_APP_LIST_MODEL_VIEW_H_
 #pragma once
 
 #include "ui/base/models/list_model_observer.h"
 #include "ui/views/view.h"
@@ skipping 19 matching lines @@
 
   void SetSelectedItem(AppListItemView* item);
   void ClearSelectedItem(AppListItemView* item);
 
  private:
   // Updates from model.
   void Update();
 
   AppListItemView* GetItemViewAtIndex(int index);
   void SetSelectedItemByIndex(int index);
-  int SetTileIconSizeAndGetMaxWidth(int icon_dimension);
 
   // Overridden from views::View:
   virtual void Layout() OVERRIDE;
   virtual bool OnKeyPressed(const views::KeyEvent& event) OVERRIDE;
   virtual bool OnKeyReleased(const views::KeyEvent& event) OVERRIDE;
   virtual void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE;
 
   // Overridden from ListModelObserver:
   virtual void ListItemsAdded(int start, int count) OVERRIDE;
   virtual void ListItemsRemoved(int start, int count) OVERRIDE;
   virtual void ListItemsChanged(int start, int count) OVERRIDE;
 
   AppListModel* model_;  // Owned by parent AppListView.
   views::ButtonListener* listener_;
 
   int selected_item_index_;
-  int items_per_col_;
+  int items_per_row_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListModelView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_APP_LIST_APP_LIST_MODEL_VIEW_H_