When creating a tab contents for a browser in the RVHDelegateHelper, create a wrapper immediately.

chrome/browser/ui/browser.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_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 962 matching lines @@
       const GURL& frame_url,
       const std::string& frame_content_state) OVERRIDE;
   virtual bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                                       bool* is_keyboard_shortcut) OVERRIDE;
   virtual void HandleKeyboardEvent(
       const NativeWebKeyboardEvent& event) OVERRIDE;
   virtual void ShowRepostFormWarningDialog(TabContents* tab_contents) OVERRIDE;
   virtual bool ShouldAddNavigationToHistory(
       const history::HistoryAddPageArgs& add_page_args,
       content::NavigationType navigation_type) OVERRIDE;
+  virtual void TabContentsCreated(TabContents* new_contents) OVERRIDE;
   virtual void ContentRestrictionsChanged(TabContents* source) OVERRIDE;
   virtual void RendererUnresponsive(TabContents* source) OVERRIDE;
   virtual void RendererResponsive(TabContents* source) OVERRIDE;
   virtual void WorkerCrashed(TabContents* source) OVERRIDE;
   virtual void DidNavigateMainFramePostCommit(TabContents* tab) OVERRIDE;
   virtual void DidNavigateToPendingEntry(TabContents* tab) OVERRIDE;
   virtual content::JavaScriptDialogCreator*
   GetJavaScriptDialogCreator() OVERRIDE;
   virtual void RunFileChooser(
       TabContents* tab,
@@ skipping 462 matching lines @@
 
   MouseLockState mouse_lock_state_;
 
   // True if the browser window has been shown at least once.
   bool window_has_shown_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_