Out of line cleanups for Mac.

chrome/browser/ui/cocoa/table_row_nsimage_cache.h

 // Copyright (c) 2010 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_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 14 matching lines @@
 
     // Returns the icon of the |row|th row.
     virtual SkBitmap 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().
   scoped_nsobject<NSPointerArray> icon_images_;
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_TABLE_ROW_NSIMAGE_CACHE_H_