chrome: Cleanup class/struct forward declarations

chrome/browser/ui/webui/options/browser_options_handler.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_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 23 matching lines @@
 #include "ui/base/models/table_model_observer.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/system/pointer_device_observer.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #else  // defined(OS_CHROMEOS)
 #include "chrome/browser/shell_integration.h"
 #endif  // !defined(OS_CHROMEOS)
 
-class AutocompleteController;
-class CloudPrintSetupHandler;
-class CustomHomePagesTableModel;
 class TemplateURLService;
 
 namespace base {
 class Value;
 }
 
 namespace policy {
 class PolicyChangeRegistrar;
 }
 
@@ skipping 387 matching lines @@
 
   // Used to get WeakPtr to self for use on the UI thread.
   base::WeakPtrFactory<BrowserOptionsHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserOptionsHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_BROWSER_OPTIONS_HANDLER_H_