A non-GTK version of menus for touchui.

base/message_pump_glib_x.h

Index: base/message_pump_glib_x.h
diff --git a/base/message_pump_glib_x.h b/base/message_pump_glib_x.h
index c6d98e365b03bfc98a7b60b81996433f60d2273e..fc3f3b1145d78699cbb51ee10bdb86addf221e17 100644
--- a/base/message_pump_glib_x.h
+++ b/base/message_pump_glib_x.h
@@ -60,6 +60,10 @@ class MessagePumpGlibX : public MessagePumpForUI {
   // The event source for GDK events.
   GSource* gdksource_;
 
+  // The default GDK event dispatcher. This is stored so that it can be restored
+  // when necessary during nested event dispatching.
+  gboolean (*gdkdispatcher_)(GSource*, GSourceFunc, void*);
+
   // Indicates whether a GDK event was injected by chrome (when |true|) or if it
   // was captured and being processed by GDK (when |false|).
   bool dispatching_event_;