Refactor the guts of ResourceDispatcherHostImpl into a new class named

content/browser/renderer_host/transfer_navigation_resource_throttle.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 "content/browser/renderer_host/transfer_navigation_resource_throttle.h"
 
 #include "base/bind.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/resource_dispatcher_host_impl.h"
 #include "content/public/browser/content_browser_client.h"
@@ skipping 45 matching lines @@
   // If a toplevel request is redirecting across extension extents, we want to
   // switch processes. We do this by deferring the redirect and resuming the
   // request once the navigation controller properly assigns the right process
   // to host the new URL.
   // TODO(mpcomplete): handle for cases other than extensions (e.g. WebUI).
   ResourceContext* resource_context = info->GetContext();
   if (GetContentClient()->browser()->ShouldSwapProcessesForRedirect(
           resource_context, request_->url(), new_url)) {
     int render_process_id, render_view_id;
     if (info->GetAssociatedRenderView(&render_process_id, &render_view_id)) {
-      ResourceDispatcherHostImpl::Get()->MarkAsTransferredNavigation(request_);
+      GlobalRequestID global_id(info->GetChildID(), info->GetRequestID());
 
-      GlobalRequestID global_id(info->GetChildID(), info->GetRequestID());
+      ResourceDispatcherHostImpl::Get()->MarkAsTransferredNavigation(global_id);
+
       BrowserThread::PostTask(
           BrowserThread::UI,
           FROM_HERE,
           base::Bind(&RequestTransferURLOnUIThread,
               render_process_id,
               render_view_id,
               new_url,
               Referrer(GURL(request_->referrer()), info->GetReferrerPolicy()),
               CURRENT_TAB,
               info->GetFrameID(),
               global_id));
 
       *defer = true;
     }
   }
 }
 
 }  // namespace content