Adds DidProcessEvent to MessagePumpGLib.

base/message_pump_glib.cc

Index: base/message_pump_glib.cc
===================================================================
--- base/message_pump_glib.cc	(revision 16377)
+++ base/message_pump_glib.cc	(working copy)
@@ -225,6 +225,10 @@
   FOR_EACH_OBSERVER(Observer, observers_, WillProcessEvent(event));
 }
 
+void MessagePumpForUI::DidProcessEvent(GdkEvent* event) {
+  FOR_EACH_OBSERVER(Observer, observers_, DidProcessEvent(event));
+}
+
 void MessagePumpForUI::Quit() {
   if (state_) {
     state_->should_quit = true;
@@ -254,6 +258,7 @@
 void MessagePumpForUI::EventDispatcher(GdkEvent* event, gpointer data) {
   reinterpret_cast<MessagePumpForUI*>(data)->WillProcessEvent(event);
   gtk_main_do_event(event);
+  reinterpret_cast<MessagePumpForUI*>(data)->DidProcessEvent(event);
 }
 
 }  // namespace base