Make WebUI objects not derive from WebUI. WebUI objects own the controller. This is the ownership...

chrome/browser/ui/webui/options/chromeos/virtual_keyboard_manager_handler.cc

 // 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.
 
 #include "chrome/browser/ui/webui/options/chromeos/virtual_keyboard_manager_handler.h"
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/input_method/virtual_keyboard_selector.h"
 #include "chrome/browser/chromeos/preferences.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
+#include "content/browser/webui/web_ui.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace ime = ::chromeos::input_method;
 
 namespace chromeos {
 
 VirtualKeyboardManagerHandler::VirtualKeyboardManagerHandler() {
@@ skipping 190 matching lines @@
     virtual_keyboard->SetString("name", i->second->name());
     virtual_keyboard->SetBoolean("isSystem", i->second->is_system());
     virtual_keyboard->SetString("url", i->second->url().spec());
     supported_keyboards->Append(virtual_keyboard);
   }
 
   return layout_list;
 }
 
 }  // namespace chromeos