LibWeb: Make Cookie::Cookie transportable over IPC

Userland/Libraries/LibWeb/CMakeLists.txt

@@ -66,6 +66,7 @@ set(SOURCES
     CSS/Supports.cpp
     CSS/SyntaxHighlighter/SyntaxHighlighter.cpp
     CSS/Time.cpp
+    Cookie/Cookie.cpp
     Cookie/ParsedCookie.cpp
     DOM/AbortController.cpp
     DOM/AbortSignal.cpp

Userland/Libraries/LibWeb/Cookie/Cookie.cpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "Cookie.h"
+#include <LibIPC/Decoder.h>
+#include <LibIPC/Encoder.h>
+
+bool IPC::encode(Encoder& encoder, Web::Cookie::Cookie const& cookie)
+{
+    encoder << cookie.name;
+    encoder << cookie.value;
+    encoder << cookie.domain;
+    encoder << cookie.path;
+    encoder << cookie.creation_time;
+    encoder << cookie.expiry_time;
+    encoder << cookie.host_only;
+    encoder << cookie.http_only;
+    encoder << cookie.last_access_time;
+    encoder << cookie.persistent;
+    encoder << cookie.secure;
+
+    return true;
+}
+
+ErrorOr<void> IPC::decode(Decoder& decoder, Web::Cookie::Cookie& cookie)
+{
+    TRY(decoder.decode(cookie.name));
+    TRY(decoder.decode(cookie.value));
+    TRY(decoder.decode(cookie.domain));
+    TRY(decoder.decode(cookie.path));
+    TRY(decoder.decode(cookie.creation_time));
+    TRY(decoder.decode(cookie.expiry_time));
+    TRY(decoder.decode(cookie.host_only));
+    TRY(decoder.decode(cookie.http_only));
+    TRY(decoder.decode(cookie.last_access_time));
+    TRY(decoder.decode(cookie.persistent));
+    TRY(decoder.decode(cookie.secure));
+    return {};
+}

Userland/Libraries/LibWeb/Cookie/Cookie.h

@@ -8,6 +8,7 @@
 
 #include <AK/String.h>
 #include <LibCore/DateTime.h>
+#include <LibIPC/Forward.h>
 
 namespace Web::Cookie {
 
@@ -31,3 +32,10 @@ struct Cookie {
 };
 
 }
+
+namespace IPC {
+
+bool encode(Encoder&, Web::Cookie::Cookie const&);
+ErrorOr<void> decode(Decoder&, Web::Cookie::Cookie&);
+
+}