Remove use of void** from HttpResponseHeaders::EnumerateHeaderLines

net/http/http_response_headers_unittest.cc

Index: net/http/http_response_headers_unittest.cc
diff --git a/net/http/http_response_headers_unittest.cc b/net/http/http_response_headers_unittest.cc
index 1bc99bbd7b8717516bae7346dc5b03a0d43dcea2..04f498c73da58a61edbaaafab0ba4fe93bf0d5fb 100644
--- a/net/http/http_response_headers_unittest.cc
+++ b/net/http/http_response_headers_unittest.cc
@@ -1055,8 +1055,8 @@ TEST_P(EnumerateHeaderLinesTest, EnumerateHeaderLines) {
 
   std::string name, value, lines;
 
-  void* iter = NULL;
-  while (parsed->EnumerateHeaderLines(&iter, &name, &value)) {
+  size_t iter = 0;
+  while (parsed->EnumerateHeaderLines(iter, &name, &value)) {
     lines.append(name);
     lines.append(": ");
     lines.append(value);