LibWeb: Move 'queue a media element task' to BaseAudioContext

We need these steps to be available for the yet to be implemented
`BaseAudioContext.decodeAudioData()`.

Userland/Libraries/LibWeb/WebAudio/AudioContext.cpp

@@ -298,12 +298,6 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> AudioContext::close()
     return JS::NonnullGCPtr { verify_cast<JS::Promise>(*promise->promise()) };
 }
 
-void AudioContext::queue_a_media_element_task(Function<void()> steps)
-{
-    auto task = HTML::Task::create(vm(), m_media_element_event_task_source.source, HTML::current_settings_object().responsible_document(), JS::create_heap_function(heap(), move(steps)));
-    HTML::main_thread_event_loop().task_queue().add(move(task));
-}
-
 // FIXME: Actually implement the rendering thread
 bool AudioContext::start_rendering_audio_graph()
 {

Userland/Libraries/LibWeb/WebAudio/AudioContext.h

@@ -52,9 +52,7 @@ private:
     Vector<JS::NonnullGCPtr<WebIDL::Promise>> m_pending_promises;
     Vector<JS::NonnullGCPtr<WebIDL::Promise>> m_pending_resume_promises;
     bool m_suspended_by_user = false;
-    HTML::UniqueTaskSource m_media_element_event_task_source {};
 
-    void queue_a_media_element_task(Function<void()> steps);
     bool start_rendering_audio_graph();
 };
 

Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.cpp

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
  * Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
+ * Copyright (c) 2024, Jelle Raaijmakers <jelle@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -113,4 +114,10 @@ WebIDL::ExceptionOr<void> BaseAudioContext::verify_audio_options_inside_nominal_
     return {};
 }
 
+void BaseAudioContext::queue_a_media_element_task(Function<void()> steps)
+{
+    auto task = HTML::Task::create(vm(), m_media_element_event_task_source.source, HTML::current_settings_object().responsible_document(), JS::create_heap_function(heap(), move(steps)));
+    HTML::main_thread_event_loop().task_queue().add(move(task));
+}
+
 }

Userland/Libraries/LibWeb/WebAudio/BaseAudioContext.h

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
  * Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
+ * Copyright (c) 2024, Jelle Raaijmakers <jelle@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -61,17 +62,21 @@ public:
 protected:
     explicit BaseAudioContext(JS::Realm&, float m_sample_rate = 0);
 
-    JS::NonnullGCPtr<AudioDestinationNode> m_destination;
+    void queue_a_media_element_task(Function<void()> steps);
 
     virtual void initialize(JS::Realm&) override;
     virtual void visit_edges(Cell::Visitor&) override;
 
+    JS::NonnullGCPtr<AudioDestinationNode> m_destination;
+
 private:
     float m_sample_rate { 0 };
     double m_current_time { 0 };
 
     Bindings::AudioContextState m_control_thread_state = Bindings::AudioContextState::Suspended;
     Bindings::AudioContextState m_rendering_thread_state = Bindings::AudioContextState::Suspended;
+
+    HTML::UniqueTaskSource m_media_element_event_task_source {};
 };
 
 }