Revert "Fix a ton of compiler warnings."

chrome/browser/search_engines/edit_search_engine_controller.h

 // Copyright (c) 2009 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_SEARCH_ENGINES_EDIT_SEARCH_ENGINE_CONTROLLER_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_EDIT_SEARCH_ENGINE_CONTROLLER_H_
 
 #include <string>
 
 #include "base/gfx/native_widget_types.h"
 
 class Profile;
 class TemplateURL;
 
 class EditSearchEngineControllerDelegate {
  public:
   // Invoked from the EditSearchEngineController when the user accepts the
   // edits. NOTE: |template_url| is the value supplied to
   // EditSearchEngineController's constructor, and may be NULL. A NULL value
   // indicates a new TemplateURL should be created rather than modifying an
   // existing TemplateURL.
   virtual void OnEditedKeyword(const TemplateURL* template_url,
                                const std::wstring& title,
                                const std::wstring& keyword,
                                const std::wstring& url) = 0;
- protected:
-  ~EditSearchEngineControllerDelegate() {}
 };
 
 // EditSearchEngineController provides the core platform independent logic
 // for the Edit Search Engine dialog.
 class EditSearchEngineController {
  public:
   // The |template_url| and/or |edit_keyword_delegate| may be NULL.
   EditSearchEngineController(
       const TemplateURL* template_url,
       EditSearchEngineControllerDelegate* edit_keyword_delegate,
@@ skipping 41 matching lines @@
   // success to add/modify the entry.  May be NULL.
   EditSearchEngineControllerDelegate* edit_keyword_delegate_;
 
   // Profile whose TemplateURLModel we're modifying.
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(EditSearchEngineController);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_EDIT_SEARCH_ENGINE_CONTROLLER_H_