LibWeb+LibWebView+WebContent: Convert about:processes to a WebUI

Author: https://github.com/trflynn89
Commit: c75e40180c
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4068

Libraries/LibWebView/Application.h

@@ -46,6 +46,8 @@ public:
 
     static CookieJar& cookie_jar() { return *the().m_cookie_jar; }
 
+    static ProcessManager& process_manager() { return the().m_process_manager; }
+
     Core::EventLoop& event_loop() { return m_event_loop; }
 
     ErrorOr<NonnullRefPtr<WebContentClient>> launch_web_content_process(ViewImplementation&);
@@ -59,8 +61,6 @@ public:
 #endif
     Optional<Process&> find_process(pid_t);
 
-    void send_updated_process_statistics_to_view(ViewImplementation&);
-
     void send_current_settings_to_view(ViewImplementation&);
     void send_available_search_engines_to_view(ViewImplementation&);