LibWebView+WebContent: Implement basic DevTools console support

Author: https://github.com/trflynn89
Commit: ffdce78b7b
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3801
Reviewed-by: https://github.com/AtkinsSJ

Libraries/LibWebView/ConsoleOutput.h

@@ -9,6 +9,7 @@
 #include <AK/JsonValue.h>
 #include <AK/Time.h>
 #include <AK/Vector.h>
+#include <LibIPC/Forward.h>
 #include <LibJS/Console.h>
 
 namespace WebView {
@@ -20,3 +21,13 @@ struct ConsoleOutput {
 };
 
 }
+
+namespace IPC {
+
+template<>
+ErrorOr<void> encode(Encoder&, WebView::ConsoleOutput const&);
+
+template<>
+ErrorOr<WebView::ConsoleOutput> decode(Decoder&);
+
+}