fixup! Implement and use HibernationManagerImpl

src/workerd/io/hibernation-manager.c++

@@ -159,15 +159,10 @@ kj::Promise<void> HibernationManagerImpl::readLoop(HibernatableWebSocket& hib) {
     package = { .currentOccupant = hib, .e = nullptr };
 
     // TODO(now): Within CustomEvent impl run, when we pass a reference to this hibernation manager,
-    // we'll want to assign the hib manager ref to the Worker::Actorso that JS can access it elsewhere.
+    // we'll want to assign the hib manager ref to the Worker::Actor so that JS can access it elsewhere.
     if (hib.activeWebSocket == nullptr) {
       // If we are currently hibernating, we need to wake up.
       // TODO(soon): Ping/Pongs that don't wake us from hibernation.
-      // TODO(now): We need to get access to an Isolate so we can deserialize `attachment` and
-      //            pass a jsg::Lock& to unhibernate.
-      // TODO(now): We can't create the api::WebSocket at this point since we aren't guaranteed to
-      // have an Isolate. We should create and assign the `activeWebSocket` when running inside the
-      // CustomEvent instead.
     }
 
     return readLoop(hib);