Show service worker navigation preload requests in DevTools Network tab

content/browser/loader/resource_dispatcher_host_impl.cc

Index: content/browser/loader/resource_dispatcher_host_impl.cc
diff --git a/content/browser/loader/resource_dispatcher_host_impl.cc b/content/browser/loader/resource_dispatcher_host_impl.cc
index fa98d50d4485c8b9138174bf293a523d65aaecdd..bbf3b867da81fdd66b22bca32e8a490b9b9017bc 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.cc
+++ b/content/browser/loader/resource_dispatcher_host_impl.cc
@@ -1501,7 +1501,8 @@ void ResourceDispatcherHostImpl::ContinuePendingBeginRequest(
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
   bool report_raw_headers = request_data.report_raw_headers;
-  if (report_raw_headers && !policy->CanReadRawCookies(child_id)) {
+  if (report_raw_headers && !policy->CanReadRawCookies(child_id) &&
+      !requester_info->IsNavigationPreload()) {

[falken, 2017/01/17 14:38:36]

Can you add a comment about why navigation preload is exempted from the
ReadRawCookies permission?

[horo, 2017/01/18 14:25:02]

Done.

     // TODO: crbug.com/523063 can we call bad_message::ReceivedBadMessage here?
     VLOG(1) << "Denied unauthorized request for raw headers";
     report_raw_headers = false;