LibWeb: Provide a default DOM::EventTarget::dispatch_event()

All EventTarget subclasses except Window do the same exact thing in
their overrides, so let's just share an implementation in the base.

Userland/Libraries/LibWeb/CSS/MediaQueryList.cpp

@@ -37,11 +37,6 @@ bool MediaQueryList::matches() const
     return false;
 }
 
-bool MediaQueryList::dispatch_event(NonnullRefPtr<DOM::Event> event)
-{
-    return DOM::EventDispatcher::dispatch(*this, event);
-}
-
 JS::Object* MediaQueryList::create_wrapper(JS::GlobalObject& global_object)
 {
     return wrap(global_object, *this);

Userland/Libraries/LibWeb/CSS/MediaQueryList.h

@@ -39,7 +39,6 @@ public:
     // ^EventTarget
     virtual void ref_event_target() override { ref(); }
     virtual void unref_event_target() override { unref(); }
-    virtual bool dispatch_event(NonnullRefPtr<DOM::Event>) override;
     virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
 
     void add_listener(RefPtr<DOM::EventListener> listener);

Userland/Libraries/LibWeb/DOM/AbortSignal.cpp

@@ -20,11 +20,6 @@ AbortSignal::~AbortSignal()
 {
 }
 
-bool AbortSignal::dispatch_event(NonnullRefPtr<Event> event)
-{
-    return EventDispatcher::dispatch(*this, event);
-}
-
 JS::Object* AbortSignal::create_wrapper(JS::GlobalObject& global_object)
 {
     return wrap(global_object, *this);

Userland/Libraries/LibWeb/DOM/AbortSignal.h

@@ -49,7 +49,6 @@ public:
     // ^EventTarget
     virtual void ref_event_target() override { ref(); }
     virtual void unref_event_target() override { unref(); }
-    virtual bool dispatch_event(NonnullRefPtr<Event>) override;
     virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
 
 private:

Userland/Libraries/LibWeb/DOM/EventTarget.cpp

@@ -11,6 +11,7 @@
 #include <LibWeb/Bindings/ScriptExecutionContext.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>
+#include <LibWeb/DOM/EventDispatcher.h>
 #include <LibWeb/DOM/EventListener.h>
 #include <LibWeb/DOM/EventTarget.h>
 #include <LibWeb/DOM/Window.h>
@@ -147,4 +148,10 @@ void EventTarget::set_event_handler_attribute(FlyString const& name, HTML::Event
         target->add_event_listener(name, listener.release_nonnull());
     }
 }
+
+bool EventTarget::dispatch_event(NonnullRefPtr<Event> event)
+{
+    return EventDispatcher::dispatch(*this, move(event));
+}
+
 }

Userland/Libraries/LibWeb/DOM/EventTarget.h

@@ -31,7 +31,7 @@ public:
 
     void remove_from_event_listener_list(NonnullRefPtr<EventListener>);
 
-    virtual bool dispatch_event(NonnullRefPtr<Event>) = 0;
+    virtual bool dispatch_event(NonnullRefPtr<Event>);
     ExceptionOr<bool> dispatch_event_binding(NonnullRefPtr<Event>);
 
     virtual JS::Object* create_wrapper(JS::GlobalObject&) = 0;

Userland/Libraries/LibWeb/DOM/Node.cpp

@@ -163,11 +163,6 @@ bool Node::is_link() const
     return enclosing_link_element();
 }
 
-bool Node::dispatch_event(NonnullRefPtr<Event> event)
-{
-    return EventDispatcher::dispatch(*this, event);
-}
-
 String Node::child_text_content() const
 {
     if (!is<ParentNode>(*this))

Userland/Libraries/LibWeb/DOM/Node.h

@@ -51,7 +51,6 @@ public:
     // ^EventTarget
     virtual void ref_event_target() final { ref(); }
     virtual void unref_event_target() final { unref(); }
-    virtual bool dispatch_event(NonnullRefPtr<Event>) final;
     virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
 
     virtual ~Node();

Userland/Libraries/LibWeb/HTML/MessagePort.cpp

@@ -84,11 +84,6 @@ void MessagePort::post_message(JS::Value message)
     }));
 }
 
-bool MessagePort::dispatch_event(NonnullRefPtr<DOM::Event> event)
-{
-    return DOM::EventDispatcher::dispatch(*this, move(event));
-}
-
 JS::Object* MessagePort::create_wrapper(JS::GlobalObject& global_object)
 {
     return wrap(global_object, *this);

Userland/Libraries/LibWeb/HTML/MessagePort.h

@@ -40,7 +40,6 @@ public:
     // ^EventTarget
     virtual void ref_event_target() override { ref(); }
     virtual void unref_event_target() override { unref(); }
-    virtual bool dispatch_event(NonnullRefPtr<DOM::Event>) override;
     virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
 
     // https://html.spec.whatwg.org/multipage/web-messaging.html#entangle

Userland/Libraries/LibWeb/HTML/WebSocket.cpp

@@ -207,11 +207,6 @@ void WebSocket::on_message(ByteBuffer message, bool is_text)
     TODO();
 }
 
-bool WebSocket::dispatch_event(NonnullRefPtr<DOM::Event> event)
-{
-    return DOM::EventDispatcher::dispatch(*this, move(event));
-}
-
 JS::Object* WebSocket::create_wrapper(JS::GlobalObject& global_object)
 {
     return wrap(global_object, *this);

Userland/Libraries/LibWeb/HTML/WebSocket.h

@@ -91,7 +91,6 @@ public:
 private:
     virtual void ref_event_target() override { ref(); }
     virtual void unref_event_target() override { unref(); }
-    virtual bool dispatch_event(NonnullRefPtr<DOM::Event>) override;
     virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
 
     void on_open();

Userland/Libraries/LibWeb/HighResolutionTime/Performance.cpp

@@ -41,11 +41,6 @@ void Performance::unref_event_target()
     m_window.unref();
 }
 
-bool Performance::dispatch_event(NonnullRefPtr<DOM::Event> event)
-{
-    return DOM::EventDispatcher::dispatch(*this, event);
-}
-
 JS::Object* Performance::create_wrapper(JS::GlobalObject& global_object)
 {
     return Bindings::wrap(global_object, *this);

Userland/Libraries/LibWeb/HighResolutionTime/Performance.h

@@ -32,7 +32,6 @@ public:
     virtual void ref_event_target() override;
     virtual void unref_event_target() override;
 
-    virtual bool dispatch_event(NonnullRefPtr<DOM::Event>) override;
     virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
 
 private:

Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp

@@ -252,11 +252,6 @@ DOM::ExceptionOr<void> XMLHttpRequest::send()
     return {};
 }
 
-bool XMLHttpRequest::dispatch_event(NonnullRefPtr<DOM::Event> event)
-{
-    return DOM::EventDispatcher::dispatch(*this, move(event));
-}
-
 JS::Object* XMLHttpRequest::create_wrapper(JS::GlobalObject& global_object)
 {
     return wrap(global_object, *this);

Userland/Libraries/LibWeb/XHR/XMLHttpRequest.h

@@ -65,7 +65,6 @@ public:
 private:
     virtual void ref_event_target() override { ref(); }
     virtual void unref_event_target() override { unref(); }
-    virtual bool dispatch_event(NonnullRefPtr<DOM::Event>) override;
     virtual JS::Object* create_wrapper(JS::GlobalObject&) override;
 
     void set_ready_state(ReadyState);