Remove use of void** from HttpResponseHeaders::EnumerateHeaderLines

net/spdy/spdy_http_utils.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/spdy/spdy_http_utils.h"
 
 #include <string>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 146 matching lines @@
       std::find(status_line.begin(), status_line.end(), ' ');
   if (protocol_version < HTTP2) {
     (*headers)[version_key] = std::string(status_line.begin(), after_version);
   }
 
   // Get status code only.
   std::string::const_iterator after_status =
       std::find(after_version + 1, status_line.end(), ' ');
   (*headers)[status_key] = std::string(after_version + 1, after_status);
 
-  void* iter = NULL;
+  size_t iter = 0;
   std::string raw_name, value;
   while (response_headers.EnumerateHeaderLines(&iter, &raw_name, &value)) {
     std::string name = base::ToLowerASCII(raw_name);
     AddSpdyHeader(name, value, headers);
   }
 }
 
 static_assert(HIGHEST - LOWEST < 4 && HIGHEST - MINIMUM_PRIORITY < 5,
               "request priority incompatible with spdy");
 
@@ skipping 30 matching lines @@
   url.append(it->second.as_string());
 
   it = headers.find(":path");
   if (it == headers.end())
     return GURL();
   url.append(it->second.as_string());
   return GURL(url);
 }
 
 }  // namespace net