Implement accelerators in the gtk port.

chrome/browser/gtk/menu_gtk.h

Index: chrome/browser/gtk/menu_gtk.h
diff --git a/chrome/browser/gtk/menu_gtk.h b/chrome/browser/gtk/menu_gtk.h
index bef318ff11de4deaebef7acf1579caaba9716956..6dd1d05ae8a3a6916c9718d81680865eea92f087 100644
--- a/chrome/browser/gtk/menu_gtk.h
+++ b/chrome/browser/gtk/menu_gtk.h
@@ -38,7 +38,8 @@ class MenuGtk {
 
   // Builds a MenuGtk that uses |delegate| to perform actions and |menu_data|
   // to create the menu.
-  MenuGtk(MenuGtk::Delegate* delegate, const MenuCreateMaterial* menu_data);
+  MenuGtk(MenuGtk::Delegate* delegate, const MenuCreateMaterial* menu_data,
+          GtkAccelGroup* accel_group);
   // Builds a MenuGtk that uses |delegate| to create the menu as well as perform
   // actions.
   explicit MenuGtk(MenuGtk::Delegate* delegate);
@@ -84,6 +85,12 @@ class MenuGtk {
   // Queries this object about the menu state.
   MenuGtk::Delegate* delegate_;
 
+  // Accelerator group to add keyboard accelerators to.
+  GtkAccelGroup* accel_group_;
+
+  // The window this menu is attached to.
+  GtkWindow* window_;
+
   // gtk_menu_popup() does not appear to take ownership of popup menus, so
   // MenuGtk explicitly manages the lifetime of the menu.
   GtkWidget* menu_;