Options2: Pull the trigger.

chrome/browser/ui/webui/options/options_ui.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_UI_WEBUI_OPTIONS_OPTIONS_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_H_
 #pragma once
 
 #include <string>
 
@@ skipping 54 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(OptionsPageUIHandler);
 };
 
 // An interface for common operations that a host of OptionsPageUIHandlers
 // should provide.
 class OptionsPageUIHandlerHost {
  public:
   virtual void InitializeHandlers() = 0;
+
+ protected:
+  virtual ~OptionsPageUIHandlerHost() {}
 };
 
 // The WebUI for chrome:settings.
 class OptionsUI : public ChromeWebUI,
                   public OptionsPageUIHandlerHost {
  public:
   explicit OptionsUI(TabContents* contents);
   virtual ~OptionsUI();
 
   static RefCountedMemory* GetFaviconResourceBytes();
@@ skipping 14 matching lines @@
   // Sets the WebUI CommandLineString property with arguments passed while
   // launching chrome.
   void SetCommandLineString(RenderViewHost* render_view_host);
 
   bool initialized_handlers_;
 
   DISALLOW_COPY_AND_ASSIGN(OptionsUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_UI_H_