LibWeb: Use specific error classes when throwing exceptions

Generally:

- interpreter.throw_exception<JS::Error>("TypeError", "Message");
+ interpreter.throw_exception<JS::TypeError>("Message");

Libraries/LibWeb/Bindings/DocumentWrapper.cpp

@@ -64,7 +64,7 @@ static Document* document_from(JS::Interpreter& interpreter)
     if (!this_object)
         return {};
     if (StringView("DocumentWrapper") != this_object->class_name()) {
-        interpreter.throw_exception<JS::Error>("TypeError", "That's not a DocumentWrapper, bro.");
+        interpreter.throw_exception<JS::TypeError>("That's not a DocumentWrapper, bro.");
         return {};
     }
     return &static_cast<DocumentWrapper*>(this_object)->node();

Libraries/LibWeb/Bindings/WindowObject.cpp

@@ -78,7 +78,7 @@ static Window* impl_from(JS::Interpreter& interpreter)
         return nullptr;
     }
     if (StringView("WindowObject") != this_object->class_name()) {
-        interpreter.throw_exception<JS::Error>("TypeError", "That's not a WindowObject, bro.");
+        interpreter.throw_exception<JS::TypeError>("That's not a WindowObject, bro.");
         return nullptr;
     }
     return &static_cast<WindowObject*>(this_object)->impl();
@@ -108,7 +108,7 @@ JS::Value WindowObject::set_interval(JS::Interpreter& interpreter)
     if (!callback_object)
         return {};
     if (!callback_object->is_function())
-        return interpreter.throw_exception<JS::Error>("TypeError", "Not a function");
+        return interpreter.throw_exception<JS::TypeError>("Not a function");
     impl->set_interval(*static_cast<JS::Function*>(callback_object), arguments[1].to_i32());
     return JS::js_undefined();
 }
@@ -125,7 +125,7 @@ JS::Value WindowObject::set_timeout(JS::Interpreter& interpreter)
     if (!callback_object)
         return {};
     if (!callback_object->is_function())
-        return interpreter.throw_exception<JS::Error>("TypeError", "Not a function");
+        return interpreter.throw_exception<JS::TypeError>("Not a function");
 
     i32 interval = 0;
     if (interpreter.argument_count() >= 2)
@@ -147,7 +147,7 @@ JS::Value WindowObject::request_animation_frame(JS::Interpreter& interpreter)
     if (!callback_object)
         return {};
     if (!callback_object->is_function())
-        return interpreter.throw_exception<JS::Error>("TypeError", "Not a function");
+        return interpreter.throw_exception<JS::TypeError>("Not a function");
     return JS::Value(impl->request_animation_frame(*static_cast<JS::Function*>(callback_object)));
 }
 

Libraries/LibWeb/Bindings/XMLHttpRequestPrototype.cpp

@@ -51,7 +51,7 @@ static XMLHttpRequest* impl_from(JS::Interpreter& interpreter)
     if (!this_object)
         return nullptr;
     if (StringView("XMLHttpRequestWrapper") != this_object->class_name()) {
-        interpreter.throw_exception<JS::Error>("TypeError", "This is not an XMLHttpRequest object");
+        interpreter.throw_exception<JS::TypeError>("This is not an XMLHttpRequest object");
         return nullptr;
     }
     return &static_cast<XMLHttpRequestWrapper*>(this_object)->impl();