Add background_tile_view for tiling an image as UI background (about box need...

chrome/browser/cocoa/background_tile_view.h

+// Copyright (c) 2009 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_COCOA_BACKGROUND_TILE_VIEW_H_
+#define CHROME_BROWSER_COCOA_BACKGROUND_TILE_VIEW_H_
+
+#import <Cocoa/Cocoa.h>
+
+// A custom view that draws a image tiled as the background.  This isn't meant
+// to be used where themes might be need, and is for other windows (about box).
+
+@interface BackgroundTileView : NSView {
+ @private
+  BOOL showsDivider_;
+  NSImage* tileImage_;
+}
+
+@property(retain) NSImage* tileImage;
+@end
+
+#endif  // CHROME_BROWSER_COCOA_BACKGROUND_TILE_VIEW_H_