LibWeb: Start tracking elapsed time when a resource is loaded

Author: https://github.com/bgianfo
Commit: bca8707e15
Pull-request: https://github.com/SerenityOS/serenity/pull/9991
Reviewed-by: https://github.com/awesomekling

Userland/Libraries/LibWeb/Loader/FrameLoader.h

@@ -27,7 +27,7 @@ public:
     ~FrameLoader();
 
     bool load(const URL&, Type);
-    bool load(const LoadRequest&, Type);
+    bool load(LoadRequest&, Type);
 
     void load_html(const StringView&, const URL&);