Profiler: Use SortingProxyModel::set_sort_role()

Use the new API to avoid duplicating code in the RunningProcessesModel.

DevTools/Profiler/ProcessChooser.cpp

@@ -52,8 +52,10 @@ void ProcessChooser::build()
     widget.set_fill_with_background_color(true);
     widget.set_layout<GUI::VerticalBoxLayout>();
     auto& table_view = widget.add<GUI::TableView>();
-    table_view.set_model(GUI::SortingProxyModel::create(Profiler::RunningProcessesModel::create()));
-    table_view.model()->set_key_column_and_sort_order(Profiler::RunningProcessesModel::Column::PID, GUI::SortOrder::Descending);
+    auto sorting_model = GUI::SortingProxyModel::create(Profiler::RunningProcessesModel::create());
+    sorting_model->set_sort_role(GUI::Model::Role::Display);
+    sorting_model->set_key_column_and_sort_order(Profiler::RunningProcessesModel::Column::PID, GUI::SortOrder::Descending);
+    table_view.set_model(sorting_model);
     auto& button_container = widget.add<GUI::Widget>();
     button_container.set_preferred_size(0, 30);
     button_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);

DevTools/Profiler/RunningProcessesModel.cpp

@@ -115,21 +115,6 @@ GUI::Variant RunningProcessesModel::data(const GUI::ModelIndex& index, Role role
         }
         ASSERT_NOT_REACHED();
     }
-
-    if (role == Role::Sort) {
-        switch (index.column()) {
-        case Column::Icon:
-            return {};
-        case Column::PID:
-            return process.pid;
-        case Column::UID:
-            return process.uid;
-        case Column::Name:
-            return process.name;
-        }
-        ASSERT_NOT_REACHED();
-    }
-
     return {};
 }