Libraries: Use default constructors/destructors in LibWeb

https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules

"The compiler is more likely to get the default semantics right and
you cannot implement these functions better than the compiler."

Userland/Libraries/LibWeb/Bindings/AudioConstructor.cpp

@@ -29,10 +29,6 @@ void AudioConstructor::initialize(JS::GlobalObject& global_object)
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
-AudioConstructor::~AudioConstructor()
-{
-}
-
 JS::ThrowCompletionOr<JS::Value> AudioConstructor::call()
 {
     return vm().throw_completion<JS::TypeError>(global_object(), JS::ErrorType::ConstructorWithoutNew, "Audio");

Userland/Libraries/LibWeb/Bindings/AudioConstructor.h

@@ -14,7 +14,7 @@ class AudioConstructor final : public JS::NativeFunction {
 public:
     explicit AudioConstructor(JS::GlobalObject&);
     virtual void initialize(JS::GlobalObject&) override;
-    virtual ~AudioConstructor() override;
+    virtual ~AudioConstructor() override = default;
 
     virtual JS::ThrowCompletionOr<JS::Value> call() override;
     virtual JS::ThrowCompletionOr<JS::Object*> construct(JS::FunctionObject& new_target) override;

Userland/Libraries/LibWeb/Bindings/CSSNamespace.cpp

@@ -18,10 +18,6 @@ CSSNamespace::CSSNamespace(JS::GlobalObject& global_object)
 {
 }
 
-CSSNamespace::~CSSNamespace()
-{
-}
-
 void CSSNamespace::initialize(JS::GlobalObject& global_object)
 {
     Object::initialize(global_object);

Userland/Libraries/LibWeb/Bindings/CSSNamespace.h

@@ -18,7 +18,7 @@ class CSSNamespace final : public JS::Object {
 public:
     explicit CSSNamespace(JS::GlobalObject&);
     virtual void initialize(JS::GlobalObject&) override;
-    virtual ~CSSNamespace() override;
+    virtual ~CSSNamespace() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(escape);

Userland/Libraries/LibWeb/Bindings/EventListenerWrapper.cpp

@@ -18,9 +18,5 @@ EventListenerWrapper::EventListenerWrapper(JS::GlobalObject& global_object, DOM:
 {
 }
 
-EventListenerWrapper::~EventListenerWrapper()
-{
-}
-
 }
 }

Userland/Libraries/LibWeb/Bindings/EventListenerWrapper.h

@@ -16,7 +16,7 @@ class EventListenerWrapper final : public Wrapper {
 
 public:
     EventListenerWrapper(JS::GlobalObject&, DOM::IDLEventListener&);
-    virtual ~EventListenerWrapper() override;
+    virtual ~EventListenerWrapper() override = default;
 
     DOM::IDLEventListener& impl() { return *m_impl; }
     DOM::IDLEventListener const& impl() const { return *m_impl; }

Userland/Libraries/LibWeb/Bindings/ImageConstructor.cpp

@@ -29,10 +29,6 @@ void ImageConstructor::initialize(JS::GlobalObject& global_object)
     define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
 }
 
-ImageConstructor::~ImageConstructor()
-{
-}
-
 JS::ThrowCompletionOr<JS::Value> ImageConstructor::call()
 {
     return vm().throw_completion<JS::TypeError>(global_object(), JS::ErrorType::ConstructorWithoutNew, "Image");

Userland/Libraries/LibWeb/Bindings/ImageConstructor.h

@@ -14,7 +14,7 @@ class ImageConstructor final : public JS::NativeFunction {
 public:
     explicit ImageConstructor(JS::GlobalObject&);
     virtual void initialize(JS::GlobalObject&) override;
-    virtual ~ImageConstructor() override;
+    virtual ~ImageConstructor() override = default;
 
     virtual JS::ThrowCompletionOr<JS::Value> call() override;
     virtual JS::ThrowCompletionOr<JS::Object*> construct(JS::FunctionObject& new_target) override;

Userland/Libraries/LibWeb/Bindings/LocationObject.cpp

@@ -53,10 +53,6 @@ void LocationObject::initialize(JS::GlobalObject& global_object)
     m_default_properties.extend(MUST(Object::internal_own_property_keys()));
 }
 
-LocationObject::~LocationObject()
-{
-}
-
 // https://html.spec.whatwg.org/multipage/history.html#relevant-document
 DOM::Document const* LocationObject::relevant_document() const
 {

Userland/Libraries/LibWeb/Bindings/LocationObject.h

@@ -23,7 +23,7 @@ class LocationObject final : public JS::Object {
 public:
     explicit LocationObject(JS::GlobalObject&);
     virtual void initialize(JS::GlobalObject&) override;
-    virtual ~LocationObject() override;
+    virtual ~LocationObject() override = default;
 
     virtual JS::ThrowCompletionOr<JS::Object*> internal_get_prototype_of() const override;
     virtual JS::ThrowCompletionOr<bool> internal_set_prototype_of(Object* prototype) override;

Userland/Libraries/LibWeb/Bindings/MainThreadVM.h

@@ -15,7 +15,7 @@
 namespace Web::Bindings {
 
 struct WebEngineCustomData final : public JS::VM::CustomData {
-    virtual ~WebEngineCustomData() override { }
+    virtual ~WebEngineCustomData() override = default;
 
     HTML::EventLoop event_loop;
 };
@@ -27,7 +27,7 @@ struct WebEngineCustomJobCallbackData final : public JS::JobCallback::CustomData
     {
     }
 
-    virtual ~WebEngineCustomJobCallbackData() override { }
+    virtual ~WebEngineCustomJobCallbackData() override = default;
 
     HTML::EnvironmentSettingsObject& incumbent_settings;
     OwnPtr<JS::ExecutionContext> active_script_context;

Userland/Libraries/LibWeb/Bindings/NavigatorObject.cpp

@@ -40,10 +40,6 @@ void NavigatorObject::initialize(JS::GlobalObject& global_object)
     define_direct_property("onLine", JS::Value(true), attr);
 }
 
-NavigatorObject::~NavigatorObject()
-{
-}
-
 JS_DEFINE_NATIVE_FUNCTION(NavigatorObject::user_agent_getter)
 {
     return JS::js_string(vm, ResourceLoader::the().user_agent());

Userland/Libraries/LibWeb/Bindings/NavigatorObject.h

@@ -18,7 +18,7 @@ class NavigatorObject final : public JS::Object {
 public:
     NavigatorObject(JS::GlobalObject&);
     virtual void initialize(JS::GlobalObject&) override;
-    virtual ~NavigatorObject() override;
+    virtual ~NavigatorObject() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(user_agent_getter);

Userland/Libraries/LibWeb/Bindings/WindowObject.cpp

@@ -140,10 +140,6 @@ void WindowObject::initialize_global_object()
     ADD_WINDOW_OBJECT_INTERFACES;
 }
 
-WindowObject::~WindowObject()
-{
-}
-
 void WindowObject::visit_edges(Visitor& visitor)
 {
     GlobalObject::visit_edges(visitor);

Userland/Libraries/LibWeb/Bindings/WindowObject.h

@@ -32,7 +32,7 @@ class WindowObject
 public:
     explicit WindowObject(HTML::Window&);
     virtual void initialize_global_object() override;
-    virtual ~WindowObject() override;
+    virtual ~WindowObject() override = default;
 
     HTML::Window& impl() { return *m_impl; }
     const HTML::Window& impl() const { return *m_impl; }

Userland/Libraries/LibWeb/Bindings/Wrappable.cpp

@@ -10,10 +10,6 @@
 namespace Web {
 namespace Bindings {
 
-Wrappable::~Wrappable()
-{
-}
-
 void Wrappable::set_wrapper(Wrapper& wrapper)
 {
     VERIFY(!m_wrapper);

Userland/Libraries/LibWeb/Bindings/Wrappable.h

@@ -15,7 +15,7 @@ namespace Web::Bindings {
 
 class Wrappable {
 public:
-    virtual ~Wrappable();
+    virtual ~Wrappable() = default;
 
     void set_wrapper(Wrapper&);
     Wrapper* wrapper() { return m_wrapper; }