Adding Null check in onAuthRequired() for handling FTP requests

extensions/browser/api/web_request/web_request_api.cc

Index: extensions/browser/api/web_request/web_request_api.cc
diff --git a/extensions/browser/api/web_request/web_request_api.cc b/extensions/browser/api/web_request/web_request_api.cc
index 6af34768b95d232b8dd1d8a90960d516a9c858a1..57832e60cc1b8234afc2a10a8a846163e6908bcf 100644
--- a/extensions/browser/api/web_request/web_request_api.cc
+++ b/extensions/browser/api/web_request/web_request_api.cc
@@ -997,7 +997,8 @@ ExtensionWebRequestEventRouter::OnAuthRequired(
   challenger->SetInteger(keys::kPortKey, auth_info.challenger.port());
   dict->Set(keys::kChallengerKey, challenger);
   dict->Set(keys::kStatusLineKey, GetStatusLine(request->response_headers()));
-  dict->SetInteger(keys::kStatusCodeKey,
+  if (request->response_headers())
+    dict->SetInteger(keys::kStatusCodeKey,
       request->response_headers()->response_code());

[not at google - send to devlin, 2015/08/19 14:43:25]

Make sure to run "git cl format" before submitting this CL.

[shiva.jm, 2015/08/20 04:07:37]

Done.

   if (extra_info_spec & ExtraInfoSpec::RESPONSE_HEADERS) {
     dict->Set(keys::kResponseHeadersKey,