Remove the TableRowNSImageCache.

chrome/browser/ui/cocoa/table_row_nsimage_cache.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 CHROME_BROWSER_UI_COCOA_TABLE_ROW_NSIMAGE_CACHE_H_
-#define CHROME_BROWSER_UI_COCOA_TABLE_ROW_NSIMAGE_CACHE_H_
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/mac/scoped_nsobject.h"
-
-namespace gfx {
-class ImageSkia;
-}
-
-// There are several dialogs that display tabular data with one SkBitmap
-// per row. This class converts these SkBitmaps to NSImages on demand, and
-// caches the results.
-class TableRowNSImageCache {
- public:
-  // Interface this cache expects for its table model.
-  class Table {
-   public:
-    // Returns the number of rows in the table.
-    virtual int RowCount() const = 0;
-
-    // Returns the icon of the |row|th row.
-    virtual gfx::ImageSkia GetIcon(int row) const = 0;
-
-   protected:
-    virtual ~Table() {}
-  };
-
-  // |model| must outlive the cache.
-  explicit TableRowNSImageCache(Table* model);
-  ~TableRowNSImageCache();
-
-  // Lazily converts the image at the given row and caches it in |icon_images_|.
-  NSImage* GetImageForRow(int row);
-
-  // Call these functions every time the table changes, to update the cache.
-  void OnModelChanged();
-  void OnItemsChanged(int start, int length);
-  void OnItemsAdded(int start, int length);
-  void OnItemsRemoved(int start, int length);
-
- private:
-  // The table model we query for row count and icons.
-  Table* model_;  // weak
-
-  // Stores strong NSImage refs for icons. If an entry is NULL, it will be
-  // created in GetImageForRow().
-  base::scoped_nsobject<NSPointerArray> icon_images_;
-};
-
-#endif  // CHROME_BROWSER_UI_COCOA_TABLE_ROW_NSIMAGE_CACHE_H_