chrome: Use base::MessageLoop. (Part 2)

chrome/browser/ui/gtk/back_forward_button_gtk.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 "chrome/browser/ui/gtk/back_forward_button_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/bind.h"
 #include "base/message_loop.h"
@@ skipping 87 matching lines @@
 
 gboolean BackForwardButtonGtk::OnButtonPress(GtkWidget* widget,
                                              GdkEventButton* event) {
   if (event->button == 3)
     ShowBackForwardMenu(event->button, event->time);
 
   if (event->button != 1)
     return FALSE;
 
   y_position_of_last_press_ = static_cast<int>(event->y);
-  MessageLoop::current()->PostDelayedTask(
+  base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&BackForwardButtonGtk::ShowBackForwardMenu,
                  weak_factory_.GetWeakPtr(),
                  event->button,
                  event->time),
       base::TimeDelta::FromMilliseconds(kMenuTimerDelay));
   return FALSE;
 }
 
 gboolean BackForwardButtonGtk::OnMouseMove(GtkWidget* widget,
                                            GdkEventMotion* event) {
   // If we aren't waiting to show the back forward menu, do nothing.
   if (!weak_factory_.HasWeakPtrs())
     return FALSE;
 
   // We only count moves about a certain threshold.
   GtkSettings* settings = gtk_widget_get_settings(widget);
   int drag_min_distance;
   g_object_get(settings, "gtk-dnd-drag-threshold", &drag_min_distance, NULL);
   if (event->y - y_position_of_last_press_ < drag_min_distance)
     return FALSE;
 
   // We will show the menu now. Cancel the delayed event.
   weak_factory_.InvalidateWeakPtrs();
   ShowBackForwardMenu(/* button */ 1, event->time);
   return FALSE;
 }