After registered/activated an in-scope SW, if we create a new Worker(in-scope-url) from an *uncontrolled* frame, the Worker should be controlled by the SW and have a client type as 'Worker'.

But currently in Chromium this Worker turns out to be uncontrolled.

wpt test:
external/wpt/service-workers/service-worker/clients-get-client-types.https.html