Remove prerender cookie store, part 4.

net/url_request/url_fetcher_core.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 "net/url_request/url_fetcher_core.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 553 matching lines @@
     // run after the URLFetcher was already stopped.
     return;
   }
 
   DCHECK(request_context_getter_.get());
   DCHECK(!request_.get());
 
   g_registry.Get().AddURLFetcherCore(this);
   current_response_bytes_ = 0;
   request_ = request_context_getter_->GetURLRequestContext()->CreateRequest(
-      original_url_, DEFAULT_PRIORITY, this, NULL);
+      original_url_, DEFAULT_PRIORITY, this);
   request_->set_stack_trace(stack_trace_);
   int flags = request_->load_flags() | load_flags_;
 
   // TODO(pkasting): Remove ScopedTracker below once crbug.com/456327 is fixed.
   tracked_objects::ScopedTracker tracking_profile2(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "456327 URLFetcherCore::StartURLRequest2"));
   if (is_chunked_upload_)
     request_->EnableChunkedUpload();
   request_->SetLoadFlags(flags);
@@ skipping 403 matching lines @@
 }
 
 void URLFetcherCore::AssertHasNoUploadData() const {
   DCHECK(!upload_content_set_);
   DCHECK(upload_content_.empty());
   DCHECK(upload_file_path_.empty());
   DCHECK(upload_stream_factory_.is_null());
 }
 
 }  // namespace net