chrome: Use base::MessageLoop. (Part 3)

chrome/browser/extensions/api/downloads/downloads_api.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/extensions/api/downloads/downloads_api.h"
 
 #include <algorithm>
 #include <cctype>
 #include <iterator>
 #include <set>
@@ skipping 667 matching lines @@
         filename_change_.Run(determined_filename_, conflict_action);
       }
     }
     // Don't clear determiners_ immediately in case there's a second listener
     // for one of the extensions, so that DetermineFilename can return
     // kTooManyListenersError. After a few seconds, DetermineFilename will
     // return kInvalidOperationError instead of kTooManyListenersError so that
     // determiners_ doesn't keep hogging memory.
     weak_ptr_factory_.reset(
         new base::WeakPtrFactory<ExtensionDownloadsEventRouterData>(this));
-    MessageLoopForUI::current()->PostDelayedTask(
+    base::MessageLoopForUI::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&ExtensionDownloadsEventRouterData::ClearPendingDeterminers,
                    weak_ptr_factory_->GetWeakPtr()),
         base::TimeDelta::FromSeconds(30));
   }
 
   int updated_;
   int changed_fired_;
   scoped_ptr<base::DictionaryValue> json_;
 
@@ skipping 435 matching lines @@
   if (!download_item || !web_contents) {
     error_ = download_extension_errors::kInvalidOperationError;
     return false;
   }
   RecordApiFunctions(DOWNLOADS_FUNCTION_DRAG);
   gfx::Image* icon = g_browser_process->icon_manager()->LookupIconFromFilepath(
       download_item->GetUserVerifiedFilePath(), IconLoader::NORMAL);
   gfx::NativeView view = web_contents->GetView()->GetNativeView();
   {
     // Enable nested tasks during DnD, while |DragDownload()| blocks.
-    MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current());
+    base::MessageLoop::ScopedNestableTaskAllower allow(
+        base::MessageLoop::current());
     download_util::DragDownload(download_item, icon, view);
   }
   return true;
 }
 
 DownloadsGetFileIconFunction::DownloadsGetFileIconFunction()
     : icon_extractor_(new DownloadFileIconExtractorImpl()) {
 }
 
 DownloadsGetFileIconFunction::~DownloadsGetFileIconFunction() {}
@@ skipping 340 matching lines @@
   DownloadsNotificationSource notification_source;
   notification_source.event_name = event_name;
   notification_source.profile = profile_;
   content::Source<DownloadsNotificationSource> content_source(
       &notification_source);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_DOWNLOADS_EVENT,
       content_source,
       content::Details<std::string>(&json_args));
 }