LibWeb+WebDriver: Move WebDriverError to Web::WebDriver::Error

This is to prepare for WebContent becoming the WebDriver client.

Userland/Libraries/LibWeb/WebDriver/Error.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2022, Florent Castelli <florent.castelli@gmail.com>
+ * Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/JsonValue.h>
+#include <AK/String.h>
+
+namespace Web::WebDriver {
+
+// https://w3c.github.io/webdriver/#dfn-error-code
+enum class ErrorCode {
+    ElementClickIntercepted,
+    ElementNotInteractable,
+    InsecureCertificate,
+    InvalidArgument,
+    InvalidCookieDomain,
+    InvalidElementState,
+    InvalidSelector,
+    InvalidSessionId,
+    JavascriptError,
+    MoveTargetOutOfBounds,
+    NoSuchAlert,
+    NoSuchCookie,
+    NoSuchElement,
+    NoSuchFrame,
+    NoSuchWindow,
+    NoSuchShadowRoot,
+    ScriptTimeoutError,
+    SessionNotCreated,
+    StaleElementReference,
+    DetachedShadowRoot,
+    Timeout,
+    UnableToSetCookie,
+    UnableToCaptureScreen,
+    UnexpectedAlertOpen,
+    UnknownCommand,
+    UnknownError,
+    UnknownMethod,
+    UnsupportedOperation,
+};
+
+// https://w3c.github.io/webdriver/#errors
+struct Error {
+    unsigned http_status;
+    String error;
+    String message;
+    Optional<JsonValue> data;
+
+    static Error from_code(ErrorCode, String message, Optional<JsonValue> data = {});
+};
+
+}
+
+template<>
+struct AK::Formatter<Web::WebDriver::Error> : Formatter<StringView> {
+    ErrorOr<void> format(FormatBuilder& builder, Web::WebDriver::Error const& error)
+    {
+        return Formatter<StringView>::format(builder, String::formatted("Error {}, {}: {}", error.http_status, error.error, error.message));
+    }
+};