Re: [ServiceWorker] Should window.caches be removed (or readonly) for security reasons? (#698)

The root issue is addressed by Clear Site Data: http://w3c.github.io/webappsec-clear-site-data/

Trying to remediate the cache concerns from inside the app is bound to fail. You've gotta nuke it from space, which is what Clear Site Data does. Closing with the resolution that we'll leave caches mutable and available from the window object.

/cc @mkwst @metromoxie

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