GTK: hook up drag and drop of browser actions (for reordering)....

chrome/browser/gtk/bookmark_bar_gtk.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_GTK_BOOKMARK_BAR_GTK_H_
 #define CHROME_BROWSER_GTK_BOOKMARK_BAR_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <string>
@@ skipping 210 matching lines @@
   static void OnButtonDragGet(GtkWidget* widget, GdkDragContext* context,
                               GtkSelectionData* selection_data,
                               guint target_type, guint time,
                               BookmarkBarGtk* bar);
 
   // GtkButton callbacks for folder buttons.
   static void OnFolderClicked(GtkWidget* sender,
                               BookmarkBarGtk* bar);
 
   // GtkToolbar callbacks.
-  static gboolean OnToolbarExpose(GtkWidget* widget, GdkEventExpose* event,
-                                  BookmarkBarGtk* window);
   static gboolean OnToolbarDragMotion(GtkToolbar* toolbar,
                                       GdkDragContext* context,
                                       gint x,
                                       gint y,
                                       guint time,
                                       BookmarkBarGtk* bar);
   static void OnToolbarDragLeave(GtkToolbar* toolbar,
                                  GdkDragContext* context,
                                  guint time,
                                  BookmarkBarGtk* bar);
@@ skipping 120 matching lines @@
 
   // The size of the tab contents last time we forced a paint. We keep track
   // of this so we don't force too many paints.
   gfx::Size last_tab_contents_size_;
 
   // We post delayed paints using this factory.
   ScopedRunnableMethodFactory<BookmarkBarGtk> event_box_paint_factory_;
 };
 
 #endif  // CHROME_BROWSER_GTK_BOOKMARK_BAR_GTK_H_