Remove use of void** from HttpResponseHeaders::EnumerateHeaderLines

net/url_request/url_request_http_job.cc

Index: net/url_request/url_request_http_job.cc
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index 47a0666e3fc7ad50225110e7f394da8adf08c83c..52d2726c809f0c0424761b18cdcef21ccc57c80a 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -948,11 +948,11 @@ void URLRequestHttpJob::OnStartCompleted(int result) {
     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)) {
+      while (headers->EnumerateHeaderLines(iter, &name, &value)) {
         if (!HttpUtil::IsValidHeaderValueRFC7230(value)) {
           invalid_header_values_in_rfc7230 = true;
           break;