Extract a minimal subset of WebDialogUI/WebDialogDelegate from src/chrome -> src/ui/web_dialogs

chrome/browser/ui/webui/web_dialog_controller.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/web_dialog_controller.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 
 WebDialogController::WebDialogController(
-    WebDialogDelegate* delegate,
+    views::WebDialogDelegate* delegate,
     Profile* profile,
     Browser* browser)
       : dialog_delegate_(delegate) {
   // It's only safe to show an off the record profile under one of two
   // circumstances:
   // 1. For a modal dialog where the parent will maintain the profile.
   // 2. If we have a browser which will keep the reference to this profile
   //    alive. The dialog will be closed if this browser is closed.
   DCHECK(!profile->IsOffTheRecord() ||
          delegate->GetDialogModalType() != ui::MODAL_TYPE_NONE ||
@@ skipping 11 matching lines @@
 void WebDialogController::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK(type == chrome::NOTIFICATION_BROWSER_CLOSING);
 
   // If the browser creating this dialog is closed, close the dialog to prevent
   // using potentially destroyed profiles.
   dialog_delegate_->OnDialogClosed(std::string());
 }