gtk: Some code cleanup for the message-pump.

base/message_loop/message_pump_glib.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/message_loop/message_pump_glib.h"
 
 #include <fcntl.h>
 #include <math.h>
 
 #include <glib.h>
@@ skipping 272 matching lines @@
     // syscalls and just signal that we have more work.
     state_->has_work = true;
   }
 
   if (state_->should_quit)
     return;
 
   state_->delegate->DoDelayedWork(&delayed_work_time_);
 }
 
-void MessagePumpGlib::AddObserver(MessagePumpObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void MessagePumpGlib::RemoveObserver(MessagePumpObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
 void MessagePumpGlib::Run(Delegate* delegate) {
   RunWithDispatcher(delegate, NULL);
 }
 
 void MessagePumpGlib::Quit() {
   if (state_) {
     state_->should_quit = true;
   } else {
     NOTREACHED() << "Quit called outside Run!";
   }
@@ skipping 14 matching lines @@
   // adjusted.  This will cause us to try to do work, but that's ok.
   delayed_work_time_ = delayed_work_time;
   ScheduleWork();
 }
 
 MessagePumpDispatcher* MessagePumpGlib::GetDispatcher() {
   return state_ ? state_->dispatcher : NULL;
 }
 
 }  // namespace base