LibWeb: Port MediaQueryListEvent to new String

Userland/Libraries/LibWeb/CSS/MediaQueryListEvent.cpp

@@ -10,13 +10,13 @@
 
 namespace Web::CSS {
 
-WebIDL::ExceptionOr<JS::NonnullGCPtr<MediaQueryListEvent>> MediaQueryListEvent::construct_impl(JS::Realm& realm, DeprecatedFlyString const& event_name, MediaQueryListEventInit const& event_init)
+WebIDL::ExceptionOr<JS::NonnullGCPtr<MediaQueryListEvent>> MediaQueryListEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, MediaQueryListEventInit const& event_init)
 {
     return MUST_OR_THROW_OOM(realm.heap().allocate<MediaQueryListEvent>(realm, realm, event_name, event_init));
 }
 
-MediaQueryListEvent::MediaQueryListEvent(JS::Realm& realm, DeprecatedFlyString const& event_name, MediaQueryListEventInit const& event_init)
-    : DOM::Event(realm, event_name, event_init)
+MediaQueryListEvent::MediaQueryListEvent(JS::Realm& realm, FlyString const& event_name, MediaQueryListEventInit const& event_init)
+    : DOM::Event(realm, event_name.to_deprecated_fly_string(), event_init)
     , m_media(event_init.media)
     , m_matches(event_init.matches)
 {

Userland/Libraries/LibWeb/CSS/MediaQueryListEvent.h

@@ -6,12 +6,13 @@
 
 #pragma once
 
+#include <AK/FlyString.h>
 #include <LibWeb/DOM/Event.h>
 
 namespace Web::CSS {
 
 struct MediaQueryListEventInit : public DOM::EventInit {
-    DeprecatedString media { "" };
+    String media;
     bool matches { false };
 };
 
@@ -19,19 +20,19 @@ class MediaQueryListEvent final : public DOM::Event {
     WEB_PLATFORM_OBJECT(MediaQueryListEvent, DOM::Event);
 
 public:
-    static WebIDL::ExceptionOr<JS::NonnullGCPtr<MediaQueryListEvent>> construct_impl(JS::Realm&, DeprecatedFlyString const& event_name, MediaQueryListEventInit const& event_init = {});
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<MediaQueryListEvent>> construct_impl(JS::Realm&, FlyString const& event_name, MediaQueryListEventInit const& event_init = {});
 
     virtual ~MediaQueryListEvent() override;
 
-    DeprecatedString const& media() const { return m_media; }
+    String const& media() const { return m_media; }
     bool matches() const { return m_matches; }
 
 private:
-    MediaQueryListEvent(JS::Realm&, DeprecatedFlyString const& event_name, MediaQueryListEventInit const& event_init);
+    MediaQueryListEvent(JS::Realm&, FlyString const& event_name, MediaQueryListEventInit const& event_init);
 
     virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
 
-    DeprecatedString m_media;
+    String m_media;
     bool m_matches;
 };
 }

Userland/Libraries/LibWeb/CSS/MediaQueryListEvent.idl

@@ -1,7 +1,7 @@
 #import <DOM/Event.idl>
 
 // https://w3c.github.io/csswg-drafts/cssom-view-1/#mediaquerylistevent
-[Exposed=Window]
+[Exposed=Window, UseNewAKString]
 interface MediaQueryListEvent : Event {
     constructor(CSSOMString type, optional MediaQueryListEventInit eventInitDict = {});
 

Userland/Libraries/LibWeb/DOM/Document.cpp

@@ -1801,7 +1801,7 @@ void Document::evaluate_media_queries_and_report_changes()
 
         if (did_match != now_matches) {
             CSS::MediaQueryListEventInit init;
-            init.media = media_query_list->media();
+            init.media = String::from_deprecated_string(media_query_list->media()).release_value_but_fixme_should_propagate_errors();
             init.matches = now_matches;
             auto event = CSS::MediaQueryListEvent::create(realm(), HTML::EventNames::change, init).release_value_but_fixme_should_propagate_errors();
             event->set_is_trusted(true);