Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/custom_drag.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_CUSTOM_DRAG_H_
-#define CHROME_BROWSER_UI_GTK_CUSTOM_DRAG_H_
-
-#include <gtk/gtk.h>
-
-#include "base/basictypes.h"
-#include "ui/base/gtk/gtk_signal.h"
-
-namespace gfx {
-class Image;
-}
-
-// Base class for programatically generated drags.
-class CustomDrag {
- protected:
-  CustomDrag(gfx::Image* icon, int code_mask, GdkDragAction action);
-  virtual ~CustomDrag();
-
-  virtual void OnDragDataGet(GtkWidget* widget,
-                             GdkDragContext* context,
-                             GtkSelectionData* selection_data,
-                             guint target_type,
-                             guint time) = 0;
-
- private:
-  CHROMEGTK_CALLBACK_1(CustomDrag, void, OnDragBegin, GdkDragContext*);
-  CHROMEGTK_CALLBACK_1(CustomDrag, void, OnDragEnd, GdkDragContext*);
-
-  // Since this uses a virtual function, we can't use a macro.
-  static void OnDragDataGetThunk(GtkWidget* widget, GdkDragContext* context,
-                                 GtkSelectionData* selection_data,
-                                 guint target_type, guint time,
-                                 CustomDrag* custom_drag) {
-    return custom_drag->OnDragDataGet(widget, context, selection_data,
-                                      target_type, time);
-  }
-
-  // Can't use a OwnedWidgetGtk because the initialization of GtkInvisible
-  // sinks the reference.
-  GtkWidget* drag_widget_;
-
-  // The image for the drag. The lifetime of the image should be managed outside
-  // this object. Most icons are owned by the IconManager.
-  gfx::Image* image_;
-
-  DISALLOW_COPY_AND_ASSIGN(CustomDrag);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_CUSTOM_DRAG_H_