Remove use of void** from HttpResponseHeaders::EnumerateHeaderLines

net/http/http_response_headers_unittest.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 <stdint.h>
 
 #include <algorithm>
 #include <iostream>
 #include <limits>
 
@@ skipping 1037 matching lines @@
 
 TEST_P(EnumerateHeaderLinesTest, EnumerateHeaderLines) {
   const EnumerateHeaderTestData test = GetParam();
 
   std::string headers(test.headers);
   HeadersToRaw(&headers);
   scoped_refptr<HttpResponseHeaders> parsed(new HttpResponseHeaders(headers));
 
   std::string name, value, lines;
 
-  void* iter = NULL;
+  size_t iter = 0;
   while (parsed->EnumerateHeaderLines(&iter, &name, &value)) {
     lines.append(name);
     lines.append(": ");
     lines.append(value);
     lines.append("\n");
   }
 
   EXPECT_EQ(std::string(test.expected_lines), lines);
 }
 
@@ skipping 1045 matching lines @@
 TEST_F(HttpResponseHeadersCacheControlTest,
        FirstStaleWhileRevalidateValueUsed) {
   InitializeHeadersWithCacheControl(
       "stale-while-revalidate=1,stale-while-revalidate=7200");
   EXPECT_EQ(TimeDelta::FromSeconds(1), GetStaleWhileRevalidateValue());
 }
 
 }  // namespace
 
 }  // namespace net