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

chrome/common/gtk_util.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_COMMON_GTK_UTIL_H_
 #define CHROME_COMMON_GTK_UTIL_H_
 
 #include <gtk/gtk.h>
 #include <string>
 #include <vector>
@@ skipping 185 matching lines @@
 
 // Get a rectangle corresponding to a widget's allocation relative to its
 // toplevel window's origin.
 gfx::Rect GetWidgetRectRelativeToToplevel(GtkWidget* widget);
 
 // A helper function for gtk_message_dialog_new() to work around a KDE 3 window
 // manager bugs. You should always call it after creating a dialog with
 // gtk_message_dialog_new.
 void ApplyMessageDialogQuirks(GtkWidget* dialog);
 
+// Don't allow the widget to paint anything, and instead propagate the expose
+// to its children. This is similar to calling
+//
+//   gtk_widget_set_app_paintable(container, TRUE);
+//
+// except that it will always work, and it should be called after any custom
+// expose events are connected.
+void SuppressDefaultPainting(GtkWidget* container);
+
 }  // namespace gtk_util
 
 #endif  // CHROME_COMMON_GTK_UTIL_H_