chromeos: Fix closing issues with WebUI form-repost dialog.

chrome/browser/ui/webui/repost_form_warning_ui.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/repost_form_warning_ui.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/json/json_reader.h"
@@ skipping 128 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RepostFormWarningHtmlDelegate);
 };
 
 RepostFormWarningUI::RepostFormWarningUI(gfx::NativeWindow parent_window,
                                          TabContents* tab_contents)
     : controller_(new RepostFormWarningController(tab_contents)) {
   TabContentsWrapper* wrapper =
       TabContentsWrapper::GetCurrentWrapperForContents(tab_contents);
   Profile* profile = wrapper->profile();
   RepostFormWarningSource::RegisterDataSource(profile);
-  RepostFormWarningHtmlDelegate* delegate =
+  RepostFormWarningHtmlDelegate* html_delegate =
       new RepostFormWarningHtmlDelegate(this);
-  ConstrainedHtmlUI::CreateConstrainedHtmlDialog(profile, delegate, wrapper);
+  ConstrainedHtmlUIDelegate* dialog_delegate =
+      ConstrainedHtmlUI::CreateConstrainedHtmlDialog(
+          profile, html_delegate, wrapper);
+  controller_->set_window(dialog_delegate->window());
 }
 
 RepostFormWarningUI::~RepostFormWarningUI() {}
 
 void RepostFormWarningUI::OnDialogClosed(bool repost) {
+  controller_->set_window(NULL);
   if (repost)
     controller_->Continue();
   else
     controller_->Cancel();
   delete this;
 }