Implement WindowOrWorkerGlobalScope.origin

The test document_domain_setter.html now fails, but AFAIK the origin
comparison can never be true (document.origin is the unprefixed domain,
while the loaded iframe is from www1.…), and that test fails in all
major browsers because of security exceptions anyway.

components/script/dom/webidls/WindowOrWorkerGlobalScope.webidl

@@ -9,7 +9,7 @@
 
 [NoInterfaceObject, Exposed=(Window,Worker)]
 interface WindowOrWorkerGlobalScope {
-  // [Replaceable] readonly attribute USVString origin;
+  [Replaceable] readonly attribute USVString origin;
 
   // base64 utility methods
   [Throws] DOMString btoa(DOMString data);

components/script/dom/window.rs

@@ -22,7 +22,7 @@ use dom::bindings::num::Finite;
 use dom::bindings::refcounted::Trusted;
 use dom::bindings::reflector::DomObject;
 use dom::bindings::root::{Dom, DomRoot, MutNullableDom};
-use dom::bindings::str::DOMString;
+use dom::bindings::str::{DOMString, USVString};
 use dom::bindings::structuredclone::StructuredCloneData;
 use dom::bindings::trace::RootedTraceableBox;
 use dom::bindings::utils::{GlobalStaticData, WindowProxyHandler};
@@ -1038,6 +1038,11 @@ impl WindowMethods for Window {
     fn Name(&self) -> DOMString {
         self.window_proxy().get_name()
     }
+
+    // https://html.spec.whatwg.org/multipage/#dom-origin
+    fn Origin(&self) -> USVString {
+        USVString(self.origin().immutable().ascii_serialization())
+    }
 }
 
 impl Window {

components/script/dom/workerglobalscope.rs

@@ -12,7 +12,7 @@ use dom::bindings::inheritance::Castable;
 use dom::bindings::reflector::DomObject;
 use dom::bindings::root::{DomRoot, MutNullableDom};
 use dom::bindings::settings_stack::AutoEntryScript;
-use dom::bindings::str::DOMString;
+use dom::bindings::str::{DOMString, USVString};
 use dom::bindings::trace::RootedTraceableBox;
 use dom::crypto::Crypto;
 use dom::dedicatedworkerglobalscope::DedicatedWorkerGlobalScope;
@@ -328,6 +328,11 @@ impl WorkerGlobalScopeMethods for WorkerGlobalScope {
                              self.navigation_start_precise)
         })
     }
+
+    // https://html.spec.whatwg.org/multipage/#dom-origin
+    fn Origin(&self) -> USVString {
+        USVString(self.upcast::<GlobalScope>().origin().immutable().ascii_serialization())
+    }
 }
 
 

tests/wpt/metadata/html/browsers/origin/relaxing-the-same-origin-restriction/document_domain_setter.html.ini

@@ -0,0 +1,4 @@
+[document_domain_setter.html]
+  [same-origin-domain iframe]
+    expected: FAIL
+

tests/wpt/metadata/html/dom/interfaces.https.html.ini

@@ -4973,9 +4973,6 @@
   [Window interface: attribute onmessageerror]
     expected: FAIL
 
-  [Window interface: attribute origin]
-    expected: FAIL
-
   [Window interface: operation createImageBitmap(ImageBitmapSource, ImageBitmapOptions)]
     expected: FAIL
 
@@ -5075,9 +5072,6 @@
   [Window interface: window must inherit property "onmessageerror" with the proper type]
     expected: FAIL
 
-  [Window interface: window must inherit property "origin" with the proper type]
-    expected: FAIL
-
   [Window interface: window must inherit property "createImageBitmap(ImageBitmapSource, ImageBitmapOptions)" with the proper type]
     expected: FAIL
 

tests/wpt/metadata/html/dom/self-origin.any.js.ini

@@ -1,11 +0,0 @@
-[self-origin.any.worker.html]
-  type: testharness
-  [self.origin should be correct]
-    expected: FAIL
-
-
-[self-origin.any.html]
-  type: testharness
-  [self.origin should be correct]
-    expected: FAIL
-

tests/wpt/metadata/workers/interfaces.worker.js.ini

@@ -260,7 +260,7 @@
     expected: FAIL
 
   [WorkerGlobalScope interface: attribute origin]
-    expected: FAIL
+    expected: TIMEOUT
 
   [WorkerGlobalScope interface: operation createImageBitmap(ImageBitmapSource, ImageBitmapOptions)]
     expected: FAIL