Remove use of void** from HttpResponseHeaders::EnumerateHeaderLines

content/browser/devtools/devtools_netlog_observer.cc

Index: content/browser/devtools/devtools_netlog_observer.cc
diff --git a/content/browser/devtools/devtools_netlog_observer.cc b/content/browser/devtools/devtools_netlog_observer.cc
index 24448e330cf2fb817cea0acc2ecf90ac5ca80951..6a2a3c45be088470b1e3b0cc229cefec129dde02 100644
--- a/content/browser/devtools/devtools_netlog_observer.cc
+++ b/content/browser/devtools/devtools_netlog_observer.cc
@@ -138,8 +138,8 @@ void DevToolsNetLogObserver::OnAddURLRequestEntry(
       // several http requests (e.g. see http://crbug.com/80157).
       info->response_headers.clear();
 
-      for (void* it = NULL;
-           response_headers->EnumerateHeaderLines(&it, &name, &value); ) {
+      for (size_t it = 0;
+           response_headers->EnumerateHeaderLines(&it, &name, &value);) {
         info->response_headers.push_back(std::make_pair(name, value));
       }