LibWeb: Implement more spec-compliant iframe/frame attribute processing

We're still missing the lazy loading attribute handling, and once we hit
the navigation step, we fall back to totally ad-hoc behavior instead of
going all the way with a Fetch Request.

1 files changed, 6 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/HTML/BrowsingContextContainer.h b/Userland/Libraries/LibWeb/HTML/BrowsingContextContainer.h
index 80228438ac..7009a3867a 100644
--- a/Userland/Libraries/LibWeb/HTML/BrowsingContextContainer.h
+++ b/Userland/Libraries/LibWeb/HTML/BrowsingContextContainer.h
@@ -29,6 +29,12 @@ public:
 protected:
     BrowsingContextContainer(DOM::Document&, DOM::QualifiedName);
 
+    // https://html.spec.whatwg.org/multipage/iframe-embed-object.html#shared-attribute-processing-steps-for-iframe-and-frame-elements
+    void shared_attribute_processing_steps_for_iframe_and_frame(bool initial_insertion);
+
+    // https://html.spec.whatwg.org/multipage/iframe-embed-object.html#navigate-an-iframe-or-frame
+    void navigate_an_iframe_or_frame(Fetch::Infrastructure::Request);
+
     void create_new_nested_browsing_context();
     void discard_nested_browsing_context();