Make WebUI objects not derive from WebUI. WebUI objects own the controller. This is the ownership...

chrome/browser/ui/webui/net_internals/net_internals_ui.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_NET_INTERNALS_NET_INTERNALS_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_NET_INTERNALS_NET_INTERNALS_UI_H_
 #pragma once
-
-#include "content/browser/webui/web_ui.h"
 #include "content/public/browser/web_ui_controller.h"
 
 namespace base {
 class Value;
 }
 
-class NetInternalsUI : public WebUI, public content::WebUIController {
+class NetInternalsUI : public content::WebUIController {
  public:
-  explicit NetInternalsUI(content::WebContents* contents);
+  explicit NetInternalsUI(WebUI* web_ui);
 
   // Returns a Value containing constants NetInternals needs to load a log file.
   // Safe to call on any thread.  Caller takes ownership of the returned Value.
   static base::Value* GetConstants();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetInternalsUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NET_INTERNALS_NET_INTERNALS_UI_H_