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/HTMLIFrameElement.webidl

@@ -0,0 +1,51 @@
+/* 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/#htmliframeelement
+[Exposed=Window]
+interface HTMLIFrameElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions]
+           attribute USVString src;
+  [CEReactions]
+           attribute DOMString srcdoc;
+
+  [CEReactions]
+  attribute DOMString name;
+
+  [SameObject, PutForwards=value]
+           readonly attribute DOMTokenList sandbox;
+  // [CEReactions]
+  //         attribute boolean seamless;
+  [CEReactions]
+           attribute boolean allowFullscreen;
+  [CEReactions]
+           attribute DOMString width;
+  [CEReactions]
+           attribute DOMString referrerPolicy;
+  [CEReactions]
+           attribute DOMString height;
+  readonly attribute Document? contentDocument;
+  readonly attribute WindowProxy? contentWindow;
+
+  // also has obsolete members
+};
+
+// https://html.spec.whatwg.org/multipage/#HTMLIFrameElement-partial
+partial interface HTMLIFrameElement {
+  // [CEReactions]
+  //         attribute DOMString align;
+  // [CEReactions]
+  //         attribute DOMString scrolling;
+  [CEReactions]
+           attribute DOMString frameBorder;
+  // [CEReactions]
+  //         attribute DOMString longDesc;
+
+  // [CEReactions, LegacyNullToEmptyString]
+  // attribute DOMString marginHeight;
+  // [CEReactions, LegacyNullToEmptyString]
+  // attribute DOMString marginWidth;
+};