LibWeb: Implement the WebAssembly Memory object and Memory imports

Author: https://github.com/alimpfard
Commit: 5c90c389c3
Pull-request: https://github.com/SerenityOS/serenity/pull/8180
Reviewed-by: https://github.com/linusg

Userland/Libraries/LibWeb/WebAssembly/WebAssemblyObject.h

@@ -95,19 +95,15 @@ private:
 };
 
 class WebAssemblyMemoryObject final : public JS::Object {
-    JS_OBJECT(WebAssemblyModuleObject, JS::Object);
+    JS_OBJECT(WebAssemblyMemoryObject, JS::Object);
 
 public:
     explicit WebAssemblyMemoryObject(JS::GlobalObject&, Wasm::MemoryAddress);
-    virtual void initialize(JS::GlobalObject&) override;
     virtual ~WebAssemblyMemoryObject() override = default;
 
     auto address() const { return m_address; }
 
 private:
-    JS_DECLARE_NATIVE_FUNCTION(grow);
-    JS_DECLARE_NATIVE_GETTER(buffer);
-
     Wasm::MemoryAddress m_address;
 };