Remove use of void** from HttpResponseHeaders::EnumerateHeaderLines

net/url_request/url_request_http_job.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_request_http_job.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 930 matching lines @@
 
   const URLRequestContext* context = request_->context();
 
   if (result == OK) {
     if (transaction_ && transaction_->GetResponseInfo()) {
       SetProxyServer(transaction_->GetResponseInfo()->proxy_server);
     }
     scoped_refptr<HttpResponseHeaders> headers = GetResponseHeaders();
 
     if (headers) {
-      void* iter = NULL;
+      size_t iter = 0;
       std::string name;
       std::string value;
       bool invalid_header_values_in_rfc7230 = false;
       while (headers->EnumerateHeaderLines(&iter, &name, &value)) {
         if (!HttpUtil::IsValidHeaderValueRFC7230(value)) {
           invalid_header_values_in_rfc7230 = true;
           break;
         }
       }
       UMA_HISTOGRAM_BOOLEAN(
@@ skipping 648 matching lines @@
   return override_response_headers_.get() ?
              override_response_headers_.get() :
              transaction_->GetResponseInfo()->headers.get();
 }
 
 void URLRequestHttpJob::NotifyURLRequestDestroyed() {
   awaiting_callback_ = false;
 }
 
 }  // namespace net