LibJS+LibWeb: Pass prototype to Object constructor

Everyone who constructs an Object must now pass a prototype object when
applicable. There's still a fair amount of code that passes something
fetched from the Interpreter, but this brings us closer to being able
to detach prototypes from Interpreter eventually.

Libraries/LibWeb/Bindings/CanvasRenderingContext2DWrapper.cpp

@@ -44,7 +44,8 @@ CanvasRenderingContext2DWrapper* wrap(JS::Heap& heap, CanvasRenderingContext2D&
 }
 
 CanvasRenderingContext2DWrapper::CanvasRenderingContext2DWrapper(CanvasRenderingContext2D& impl)
-    : m_impl(impl)
+    : Wrapper(*interpreter().object_prototype())
+    , m_impl(impl)
 {
     put_native_property("fillStyle", fill_style_getter, fill_style_setter);
     put_native_function("fillRect", fill_rect, 4);

Libraries/LibWeb/Bindings/CanvasRenderingContext2DWrapper.h

@@ -31,7 +31,7 @@
 namespace Web {
 namespace Bindings {
 
-class CanvasRenderingContext2DWrapper : public Wrapper {
+class CanvasRenderingContext2DWrapper final : public Wrapper {
 public:
     explicit CanvasRenderingContext2DWrapper(CanvasRenderingContext2D&);
     virtual ~CanvasRenderingContext2DWrapper() override;

Libraries/LibWeb/Bindings/EventListenerWrapper.cpp

@@ -24,6 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <LibJS/Interpreter.h>
 #include <LibJS/Runtime/Function.h>
 #include <LibWeb/Bindings/EventListenerWrapper.h>
 #include <LibWeb/DOM/EventListener.h>
@@ -32,7 +33,8 @@ namespace Web {
 namespace Bindings {
 
 EventListenerWrapper::EventListenerWrapper(EventListener& impl)
-    : m_impl(impl)
+    : Wrapper(*interpreter().object_prototype())
+    , m_impl(impl)
 {
 }
 

Libraries/LibWeb/Bindings/EventTargetWrapper.cpp

@@ -37,7 +37,8 @@ namespace Web {
 namespace Bindings {
 
 EventTargetWrapper::EventTargetWrapper(EventTarget& impl)
-    : m_impl(impl)
+    : Wrapper(*interpreter().object_prototype())
+    , m_impl(impl)
 {
     put_native_function("addEventListener", add_event_listener, 2);
 }

Libraries/LibWeb/Bindings/EventWrapper.cpp

@@ -24,6 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <LibJS/Interpreter.h>
 #include <LibWeb/Bindings/EventWrapper.h>
 #include <LibWeb/Bindings/MouseEventWrapper.h>
 #include <LibWeb/DOM/MouseEvent.h>
@@ -39,7 +40,8 @@ EventWrapper* wrap(JS::Heap& heap, Event& event)
 }
 
 EventWrapper::EventWrapper(Event& event)
-    : m_event(event)
+    : Wrapper(*interpreter().object_prototype())
+    , m_event(event)
 {
 }
 

Libraries/LibWeb/Bindings/NavigatorObject.cpp

@@ -25,12 +25,14 @@
  */
 
 #include <AK/FlyString.h>
+#include <LibJS/Interpreter.h>
 #include <LibWeb/Bindings/NavigatorObject.h>
 
 namespace Web {
 namespace Bindings {
 
 NavigatorObject::NavigatorObject()
+    : Object(interpreter().object_prototype())
 {
     put("appCodeName", js_string(heap(), "Mozilla"));
     put("appName", js_string(heap(), "Netscape"));

Libraries/LibWeb/Bindings/Wrapper.h

@@ -38,7 +38,10 @@ class Wrapper
     : public JS::Object
     , public Weakable<Wrapper> {
 protected:
-    explicit Wrapper() {}
+    explicit Wrapper(Object& prototype)
+        : Object(&prototype)
+    {
+    }
 };
 
 }

Libraries/LibWeb/Bindings/XMLHttpRequestConstructor.cpp

@@ -35,6 +35,7 @@ namespace Web {
 namespace Bindings {
 
 XMLHttpRequestConstructor::XMLHttpRequestConstructor()
+    : NativeFunction(*interpreter().function_prototype())
 {
     put("length", JS::Value(1));
 }

Libraries/LibWeb/Bindings/XMLHttpRequestPrototype.cpp

@@ -35,6 +35,7 @@ namespace Web {
 namespace Bindings {
 
 XMLHttpRequestPrototype::XMLHttpRequestPrototype()
+    : Object(interpreter().object_prototype())
 {
     put_native_function("open", open, 2);
     put_native_function("send", send, 0);