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

chrome/browser/ui/gtk/download/download_shelf_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_DOWNLOAD_DOWNLOAD_SHELF_GTK_H_
 #define CHROME_BROWSER_UI_GTK_DOWNLOAD_DOWNLOAD_SHELF_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <vector>
@@ skipping 19 matching lines @@
 class PageNavigator;
 }
 
 namespace gfx {
 class Point;
 }
 
 class DownloadShelfGtk : public DownloadShelf,
                          public content::NotificationObserver,
                          public SlideAnimatorGtk::Delegate,
-                         public MessageLoopForUI::Observer {
+                         public base::MessageLoopForUI::Observer {
  public:
   DownloadShelfGtk(Browser* browser, gfx::NativeView view);
 
   virtual ~DownloadShelfGtk();
 
   // Retrieves the navigator for loading pages.
   content::PageNavigator* GetNavigator();
 
   // DownloadShelf implementation.
   virtual bool IsShowing() const OVERRIDE;
@@ skipping 100 matching lines @@
   // True if the mouse is within the shelf's bounds, as of the last mouse event
   // we received.
   bool mouse_in_shelf_;
 
   base::WeakPtrFactory<DownloadShelfGtk> weak_factory_;
 
   friend class DownloadItemGtk;
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_DOWNLOAD_DOWNLOAD_SHELF_GTK_H_