Add referrer policy pass-through and referrer header logic

add pass-through from doc to http-loader for referrer_policy, ref_URL
add logic for setting referer header
add script pass-through for referrer
add unit tests for setting referer header

1 files changed, 4 insertions, 1 deletions

diff --git a/components/script/dom/xmlhttprequest.rs b/components/script/dom/xmlhttprequest.rs
index 45d377c3fda..7a538d8ade8 100644
--- a/components/script/dom/xmlhttprequest.rs
+++ b/components/script/dom/xmlhttprequest.rs
@@ -576,10 +576,13 @@ impl XMLHttpRequestMethods for XMLHttpRequest {
         // Step 5
         let global = self.global();
         let pipeline_id = global.r().pipeline();
+        //TODO - set referrer_policy/referrer_url in load_data
         let mut load_data =
             LoadData::new(LoadContext::Browsing,
                           self.request_url.borrow().clone().unwrap(),
-                          Some(pipeline_id));
+                          Some(pipeline_id),
+                          None,
+                          None);
         if load_data.url.origin().ne(&global.r().get_url().origin()) {
             load_data.credentials_flag = self.WithCredentials();
         }