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

chrome/browser/ui/webui/input_window_dialog_webui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/input_window_dialog_webui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 133 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // InputWindowDialogHandler methods
 
 InputWindowDialogHandler::InputWindowDialogHandler(
     InputWindowDialog::Delegate* delegate)
     : delegate_(delegate) {
 }
 
 void InputWindowDialogHandler::CloseDialog() {
-  static_cast<HtmlDialogUI*>(web_ui())->CloseDialog(NULL);
+  static_cast<HtmlDialogUI*>(web_ui()->GetController())->CloseDialog(NULL);
 }
 
 void InputWindowDialogHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("validate",
       base::Bind(&InputWindowDialogHandler::Validate,
                  base::Unretained(this)));
 }
 
 void InputWindowDialogHandler::Validate(const base::ListValue* args) {
   DCHECK(args->GetSize() == 1U || args->GetSize() == 2U);
   InputWindowDialog::InputTexts texts;
   string16 name;
   if (args->GetString(0, &name)) {
     texts.push_back(name);
   }
   string16 url;
   if (args->GetSize() == 2 && args->GetString(0, &url)) {
     texts.push_back(url);
   }
   const bool valid = delegate_->IsValid(texts);
   scoped_ptr<Value> result(Value::CreateBooleanValue(valid));
   web_ui()->CallJavascriptFunction("inputWindowDialog.ackValidation",
                                    *result);
 }