Fix for issue 27210, show bookmarks bar menu is out of sync with the browser's status.

views/controls/menu/native_menu_gtk.h

Index: views/controls/menu/native_menu_gtk.h
diff --git a/views/controls/menu/native_menu_gtk.h b/views/controls/menu/native_menu_gtk.h
index 768fada2f35b3c6fa91f873d51e7ded5c5d626dd..92c500dfdc061a764e71f2221da0ac3c4a61eedc 100644
--- a/views/controls/menu/native_menu_gtk.h
+++ b/views/controls/menu/native_menu_gtk.h
@@ -33,10 +33,13 @@ class NativeMenuGtk : public MenuWrapper {
   void AddSeparatorAt(int index);
   void AddMenuItemAt(int index, GtkRadioMenuItem** last_radio_item);
 
-  static void UpdateStateCallback(GtkWidget* menu_item, gpointer data);
-
   void ResetMenu();
 
+  // Updates the menu item's state.
+  void UpdateMenuItemState(GtkWidget* menu_item);
+
+  static void UpdateStateCallback(GtkWidget* menu_item, gpointer data);
+
   // Callback for gtk_menu_popup to position the menu.
   static void MenuPositionFunc(GtkMenu* menu, int* x, int* y, gboolean* push_in,
                                void* data);
@@ -53,6 +56,11 @@ class NativeMenuGtk : public MenuWrapper {
 
   bool menu_shown_;
 
+  // A flag used to avoid misfiring ActivateAt call on the menu model.
+  // This is necessary as GTK menu fires an activate signal even when the
+  // state is changed by |UpdateStates()| API.
+  bool suppress_activate_signal_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeMenuGtk);
 };