Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/nine_box.h

-// Copyright (c) 2011 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_GTK_NINE_BOX_H_
-#define CHROME_BROWSER_UI_GTK_NINE_BOX_H_
-
-#include <gtk/gtk.h>
-
-namespace gfx {
-class Image;
-}
-
-// A NineBox manages a set of source images representing a 3x3 grid, where
-// non-corner images can be tiled to make a larger image.  It's used to
-// use bitmaps for constructing image-based resizable widgets like buttons.
-//
-// If you want just a vertical image that stretches in height but is fixed
-// in width, only pass in images for the left column (leave others NULL).
-// Similarly, for a horizontal image that stretches in width but is fixed in
-// height, only pass in images for the top row.
-class NineBox {
- public:
-  // Construct a NineBox with nine images.  Images are specified using resource
-  // ids that will be passed to the resource bundle.  Use 0 for no image.
-  NineBox(int top_left, int top, int top_right, int left, int center, int right,
-          int bottom_left, int bottom, int bottom_right);
-
-  // Construct a NineBox from a single image and insets indicating the sizes
-  // of the edges and corners.
-  NineBox(int image, int top_margin, int bottom_margin, int left_margin,
-          int right_margin);
-  ~NineBox();
-
-  // Render the NineBox to |dst|.
-  // The images will be tiled to fit into the widget.
-  void RenderToWidget(GtkWidget* dst) const;
-
-  // As above, but rendered partially transparent.
-  void RenderToWidgetWithOpacity(GtkWidget* dst, double opacity) const;
-
-  // Set the shape of |widget| to match that of the ninebox. Note that |widget|
-  // must have its own window and be allocated. Also, currently only the top
-  // three images are used.
-  // TODO(estade): extend this function to use all 9 images (if it's ever
-  // needed).
-  void ContourWidget(GtkWidget* widget) const;
-
- private:
-  gfx::Image* images_[9];
-  bool unref_images_on_destroy_;
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_NINE_BOX_H_