feat(servo): isolate profiles with hardware sidecars

crates/ely_app/src/shell/web_surface_runtime_cleanup.rs

@@ -0,0 +1,19 @@
+use crate::services::servo_profile_data::TransientProfileDataDir;
+
+use super::LiveRuntimeWorker;
+
+pub(super) struct ScopedWorker {
+    pub(super) worker: LiveRuntimeWorker,
+    pub(super) transient_profile_data_dir: Option<TransientProfileDataDir>,
+}
+
+pub(super) fn shutdown_scoped_worker(scoped: ScopedWorker) -> Result<(), String> {
+    let ScopedWorker { worker, transient_profile_data_dir } = scoped;
+    drop(worker);
+    let Some(directory) = transient_profile_data_dir else {
+        return Ok(());
+    };
+    directory
+        .close()
+        .map_err(|error| format!("failed to remove transient Servo profile data: {error}"))
+}