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

chrome/browser/ui/gtk/download/download_item_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/download/download_item_gtk.h"
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/debug/trace_event.h"
 #include "base/metrics/histogram.h"
@@ skipping 802 matching lines @@
 
 void DownloadItemGtk::ReenableHbox() {
   gtk_widget_set_sensitive(hbox_.get(), true);
   disabled_while_opening_ = false;
   UpdateNameLabel();
 }
 
 void DownloadItemGtk::OnDownloadOpened(DownloadItem* download) {
   disabled_while_opening_ = true;
   gtk_widget_set_sensitive(hbox_.get(), false);
-  MessageLoop::current()->PostDelayedTask(
+  base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&DownloadItemGtk::ReenableHbox,
                  weak_ptr_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(kDisabledOnOpenDurationMs));
   UpdateNameLabel();
   parent_shelf_->ItemOpened();
 }
 
 void DownloadItemGtk::OnClick(GtkWidget* widget) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.open_download",
@@ skipping 91 matching lines @@
   download()->DangerousDownloadValidated();
 }
 
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                            base::Time::Now() - creation_time_);
   if (download()->IsPartialDownload())
     download()->Cancel(true);
   download()->Delete(DownloadItem::DELETE_DUE_TO_USER_DISCARD);
 }