+// Show apps windows after the first paint. Windows will be shown significantly
+// later for heavy apps loading resources synchronously but it will be
+// insignificant for apps that load most of their resources asynchronously.
+const char kEnableAppsShowOnFirstPaint[] = "enable-apps-show-on-first-paint";
+
+// Hack so that feature switch can work with about_flags. See
+// kEnableScriptsRequireAction.
+const char kEnableAppView[] = "enable-app-view";
+
+// Enables the <window-controls> tag in platform apps.
+const char kEnableAppWindowControls[] = "enable-app-window-controls";
+