Remove implicit scoped_refptr operator T*

chrome/browser/ui/browser.cc

 // 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.
 
 #include "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 2322 matching lines @@
 
   // If script access is not allowed, create the the background contents in a
   // new SiteInstance, so that a separate process is used.
   scoped_refptr<content::SiteInstance> site_instance =
       allow_js_access ?
       opener_site_instance :
       content::SiteInstance::Create(opener_web_contents->GetBrowserContext());
 
   // Passed all the checks, so this should be created as a BackgroundContents.
   BackgroundContents* contents = service->CreateBackgroundContents(
-      site_instance,
+      site_instance.get(),
       route_id,
       profile_,
       frame_name,
       ASCIIToUTF16(extension->id()));
 
   // When a separate process is used, the original renderer cannot access the
   // new window later, thus we need to navigate the window now.
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         content::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }