Auto merge of #13294 - 6112:referrer-typo-fix, r=jdm

Fix most typoes for: "referer" -> "referrer"

Replace most uses of the word "referer" with "referrer", except for `hyper::header::Referer`. Also update the unit tests to compile & pass after those changes.

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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 #13286

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- [ ]  There are tests for these changes OR
- [X] These changes do not require tests because they're only typo fixes.

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1 files changed, 1 insertions, 1 deletions

diff --git a/components/script/dom/xmlhttprequest.rs b/components/script/dom/xmlhttprequest.rs
index c23b97b48d7..d034b60aebd 100644
--- a/components/script/dom/xmlhttprequest.rs
+++ b/components/script/dom/xmlhttprequest.rs
@@ -593,7 +593,7 @@ impl XMLHttpRequestMethods for XMLHttpRequest {
             credentials_mode: credentials_mode,
             use_url_credentials: use_url_credentials,
             origin: self.global().r().get_url(),
-            referer_url: self.referrer_url.clone(),
+            referrer_url: self.referrer_url.clone(),
             referrer_policy: self.referrer_policy.clone(),
             pipeline_id: self.pipeline_id(),
         };