Cleanup: Remove unneeded forward declarations from chrome/browser/chromeos.

chrome/browser/chromeos/login/background_view.h

 // Copyright (c) 2011 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_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_
 #pragma once
 
+#include <string>
+
 #include "chrome/browser/chromeos/login/login_html_dialog.h"
 #include "chrome/browser/chromeos/login/version_info_updater.h"
 #include "chrome/browser/chromeos/status/status_area_button.h"
 #include "chrome/browser/chromeos/status/status_area_view_chromeos.h"
 #include "views/view.h"
 
+class DOMView;
+class GURL;
+
 namespace views {
 class Label;
-class TextButton;
 class Widget;
 class WidgetDelegate;
 }
 
-class DOMView;
-class GURL;
-class Profile;
-
 namespace chromeos {
 
 class ShutdownButton;
 
 // View used to render the background during login. BackgroundView contains
 // StatusAreaView.
 class BackgroundView : public views::View,
                        public StatusAreaButton::Delegate,
                        public LoginHtmlDialog::Delegate,
                        public VersionInfoUpdater::Delegate {
@@ skipping 113 matching lines @@
 
   // Updates version info.
   VersionInfoUpdater version_info_updater_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_