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

chrome/browser/ui/webui/options2/chromeos/stats_options_handler2.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/options2/chromeos/stats_options_handler2.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
+#include "content/browser/webui/web_ui.h"
 #include "content/public/browser/user_metrics.h"
 
 using content::UserMetricsAction;
 
 namespace chromeos {
 namespace options2 {
 
 StatsOptionsHandler::StatsOptionsHandler() {
 }
 
@@ skipping 19 matching lines @@
   const bool enabled = (checked_str == "true");
   content::RecordAction(
       enabled ?
       UserMetricsAction("Options_MetricsReportingCheckbox_Enable") :
       UserMetricsAction("Options_MetricsReportingCheckbox_Disable"));
 #endif
 }
 
 }  // namespace options2
 }  // namespace chromeos