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

chrome/common/gtk_util.h

Index: chrome/common/gtk_util.h
===================================================================
--- chrome/common/gtk_util.h	(revision 34134)
+++ chrome/common/gtk_util.h	(working copy)
@@ -203,6 +203,15 @@
 // 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_