Google codestyle prescribes sorting #include filenames within a section....

chrome/browser/chromeos/notifications/notification_panel.h

 // Copyright (c) 2010 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.
 
 // Draws the view for the balloons.
 
 #ifndef CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_NOTIFICATION_PANEL_H_
 #define CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_NOTIFICATION_PANEL_H_
 #pragma once
 
+#include "base/scoped_ptr.h"
 #include "base/task.h"
-#include "base/scoped_ptr.h"
 #include "chrome/browser/chromeos/frame/panel_controller.h"
 #include "chrome/browser/chromeos/notifications/balloon_collection_impl.h"
 #include "chrome/common/notification_registrar.h"
 #include "gfx/rect.h"
 
 class Balloon;
 class Notification;
 
 namespace views {
 class ScrollView;
@@ skipping 214 matching lines @@
   bool IsActive(const BalloonViewImpl* view) const;
 
  private:
   NotificationPanel* panel_;
   DISALLOW_COPY_AND_ASSIGN(NotificationPanelTester);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_NOTIFICATION_PANEL_H_