Virtual destructors should have virtual keyword.

chrome/browser/autocomplete/autocomplete_edit.h

 // 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.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
@@ skipping 85 matching lines @@
 
     bool user_input_in_progress;
     const string16 user_text;
     const string16 keyword;
     const bool is_keyword_hint;
   };
 
   AutocompleteEditModel(OmniboxView* view,
                         AutocompleteEditController* controller,
                         Profile* profile);
-  ~AutocompleteEditModel();
+  virtual ~AutocompleteEditModel();
 
   AutocompleteController* autocomplete_controller() const {
     return autocomplete_controller_.get();
   }
 
   void set_popup_model(AutocompletePopupModel* popup_model) {
     popup_ = popup_model;
   }
 
   // TODO: The edit and popup should be siblings owned by the LocationBarView,
@@ skipping 433 matching lines @@
   // It has no effect if a keyword is already selected.
   bool allow_exact_keyword_match_;
 
   // Last value of InstantCompleteBehavior supplied to |SetSuggestedText|.
   InstantCompleteBehavior instant_complete_behavior_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditModel);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_H_