Auto merge of #23090 - miller-time:nav-fetch-referrer, r=gterzian

Add referrer to navigation fetch request

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Implement step 13 of [following hyperlinks](https://html.spec.whatwg.org/#following-hyperlinks-2) and step 14.3 of [window open](https://html.spec.whatwg.org/#window-open-steps), as well as other referrer- and fetch-related updates.

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #22890 (GitHub issue number if applicable)

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- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because ___

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1 files changed, 1 insertions, 5 deletions

diff --git a/components/script/fetch.rs b/components/script/fetch.rs
index a95fbb7437d..01708d5c532 100644
--- a/components/script/fetch.rs
+++ b/components/script/fetch.rs
@@ -94,10 +94,6 @@ impl Drop for FetchCanceller {
     }
 }
 
-fn from_referrer_to_referrer_url(request: &NetTraitsRequest) -> Option<ServoUrl> {
-    request.referrer.to_url().map(|url| url.clone())
-}
-
 fn request_init_from_request(request: NetTraitsRequest) -> RequestBuilder {
     RequestBuilder {
         method: request.method.clone(),
@@ -118,7 +114,7 @@ fn request_init_from_request(request: NetTraitsRequest) -> RequestBuilder {
             .origin()
             .immutable()
             .clone(),
-        referrer_url: from_referrer_to_referrer_url(&request),
+        referrer: Some(request.referrer.clone()),
         referrer_policy: request.referrer_policy,
         pipeline_id: request.pipeline_id,
         redirect_mode: request.redirect_mode,