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

chrome/browser/ui/webui/test_web_dialog_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_TEST_WEB_DIALOG_DELEGATE_H_
 #define CHROME_BROWSER_UI_WEBUI_TEST_WEB_DIALOG_DELEGATE_H_
 #pragma once
 
 #include <string>
 
 #include "base/compiler_specific.h"
-#include "chrome/browser/ui/webui/web_dialog_delegate.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/size.h"
+#include "ui/web_dialogs/web_dialog_delegate.h"
 
 namespace test {
 
-class TestWebDialogDelegate : public WebDialogDelegate {
+class TestWebDialogDelegate : public web_dialogs::WebDialogDelegate {
  public:
   explicit TestWebDialogDelegate(const GURL& url);
   virtual ~TestWebDialogDelegate();
 
   void set_size(int width, int height) {
     size_.SetSize(width, height);
   }
 
   // WebDialogDelegate implementation:
   virtual ui::ModalType GetDialogModalType() const OVERRIDE;
@@ skipping 11 matching lines @@
  protected:
   const GURL url_;
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWebDialogDelegate);
 };
 
 }  // namespace test
 
 #endif  // CHROME_BROWSER_UI_WEBUI_TEST_WEB_DIALOG_DELEGATE_H_