LibWeb: Align worker ESO getters with the specification

The `api_base_url()` and `policy_container()` getters now get their
respective objects from the global scope.

Userland/Libraries/LibWeb/HTML/Scripting/WorkerEnvironmentSettingsObject.cpp

@@ -46,6 +46,30 @@ JS::NonnullGCPtr<WorkerEnvironmentSettingsObject> WorkerEnvironmentSettingsObjec
     return settings_object;
 }
 
+URL::URL WorkerEnvironmentSettingsObject::api_base_url()
+{
+    // Return worker global scope's url.
+    return m_global_scope->url();
+}
+
+Origin WorkerEnvironmentSettingsObject::origin()
+{
+    // FIXME: Return a unique opaque origin if worker global scope's url's scheme is "data", and inherited origin otherwise.
+    return m_origin;
+}
+
+PolicyContainer WorkerEnvironmentSettingsObject::policy_container()
+{
+    // Return worker global scope's policy container.
+    return m_global_scope->policy_container();
+}
+
+CanUseCrossOriginIsolatedAPIs WorkerEnvironmentSettingsObject::cross_origin_isolated_capability()
+{
+    // FIXME: Return worker global scope's cross-origin isolated capability.
+    return CanUseCrossOriginIsolatedAPIs::No;
+}
+
 void WorkerEnvironmentSettingsObject::visit_edges(JS::Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibWeb/HTML/Scripting/WorkerEnvironmentSettingsObject.h

@@ -30,18 +30,16 @@ public:
 
     JS::GCPtr<DOM::Document> responsible_document() override { return nullptr; }
     String api_url_character_encoding() override { return m_api_url_character_encoding; }
-    URL::URL api_base_url() override { return m_url; }
-    Origin origin() override { return m_origin; }
-    PolicyContainer policy_container() override { return m_policy_container; }
-    CanUseCrossOriginIsolatedAPIs cross_origin_isolated_capability() override { return CanUseCrossOriginIsolatedAPIs::No; }
+    URL::URL api_base_url() override;
+    Origin origin() override;
+    PolicyContainer policy_container() override;
+    CanUseCrossOriginIsolatedAPIs cross_origin_isolated_capability() override;
 
 private:
     virtual void visit_edges(JS::Cell::Visitor&) override;
 
     String m_api_url_character_encoding;
-    URL::URL m_url;
     HTML::Origin m_origin;
-    HTML::PolicyContainer m_policy_container;
 
     JS::NonnullGCPtr<WorkerGlobalScope> m_global_scope;
 };

Userland/Libraries/LibWeb/HTML/WorkerGlobalScope.h

@@ -94,6 +94,8 @@ public:
 
     Web::Page* page() { return m_page.ptr(); }
 
+    PolicyContainer policy_container() const { return m_policy_container; }
+
 protected:
     explicit WorkerGlobalScope(JS::Realm&, JS::NonnullGCPtr<Web::Page>);
 
@@ -129,6 +131,7 @@ private:
 
     // https://html.spec.whatwg.org/multipage/workers.html#concept-workerglobalscope-policy-container
     // A WorkerGlobalScope object has an associated policy container (a policy container). It is initially a new policy container.
+    PolicyContainer m_policy_container;
 
     // https://html.spec.whatwg.org/multipage/workers.html#concept-workerglobalscope-embedder-policy
     // A WorkerGlobalScope object has an associated embedder policy (an embedder policy).