script: Move code generation and webidl files to new script_bindings crate. (#35157)

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

components/script_bindings/webidls/HTMLFrameElement.webidl

@@ -0,0 +1,29 @@
+/* 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/. */
+
+// https://html.spec.whatwg.org/multipage/#htmlframeelement
+[Exposed=Window]
+interface HTMLFrameElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // [CEReactions]
+  //          attribute DOMString name;
+  // [CEReactions]
+  //          attribute DOMString scrolling;
+  // [CEReactions]
+  //          attribute DOMString src;
+  // [CEReactions]
+  //          attribute DOMString frameBorder;
+  // [CEReactions]
+  //          attribute DOMString longDesc;
+  // [CEReactions]
+  //          attribute boolean noResize;
+  // readonly attribute Document? contentDocument;
+  // readonly attribute WindowProxy? contentWindow;
+
+  // [CEReactions, LegacyNullToEmptyString]
+  // attribute DOMString marginHeight;
+  // [CEReactions, LegacyNullToEmptyString]
+  // attribute DOMString marginWidth;
+};