Merge remote-tracking branch 'upstream/master' into feat-cow-infra

`tests/wpt/web-platform-tests/html/browsers/origin/cross-origin-objects/cross-origin-objects.html`
was reverted to the upstream version.

1 files changed, 54 insertions, 0 deletions

diff --git a/components/script/dom/domstringlist.rs b/components/script/dom/domstringlist.rs
new file mode 100644
index 00000000000..a1592faca79
--- /dev/null
+++ b/components/script/dom/domstringlist.rs
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use crate::dom::bindings::codegen::Bindings::DOMStringListBinding::DOMStringListMethods;
+use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::str::DOMString;
+use crate::dom::window::Window;
+use dom_struct::dom_struct;
+
+#[dom_struct]
+pub struct DOMStringList {
+    reflector_: Reflector,
+    strings: Vec<DOMString>,
+}
+
+impl DOMStringList {
+    #[allow(unused)]
+    pub fn new_inherited(strings: Vec<DOMString>) -> DOMStringList {
+        DOMStringList {
+            reflector_: Reflector::new(),
+            strings,
+        }
+    }
+
+    #[allow(unused)]
+    pub fn new(window: &Window, strings: Vec<DOMString>) -> DomRoot<DOMStringList> {
+        reflect_dom_object(Box::new(DOMStringList::new_inherited(strings)), window)
+    }
+}
+
+// https://html.spec.whatwg.org/multipage/#domstringlist
+impl DOMStringListMethods for DOMStringList {
+    // https://html.spec.whatwg.org/multipage/#dom-domstringlist-length
+    fn Length(&self) -> u32 {
+        self.strings.len() as u32
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-domstringlist-item
+    fn Item(&self, index: u32) -> Option<DOMString> {
+        self.strings.get(index as usize).cloned()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-domstringlist-contains
+    fn Contains(&self, string: DOMString) -> bool {
+        self.strings.contains(&string)
+    }
+
+    // check-tidy: no specs after this line
+    fn IndexedGetter(&self, index: u32) -> Option<DOMString> {
+        self.Item(index)
+    }
+}