Re: [ServiceWorker] Errors inside Promises are not thrown (#600)

My bad. Got used to Bluebird Promises. Native ES6 Promises don't throw.

```javascript
Promise
  .resolve()
  .then(function(){
    throw new Error('asdf');
  });
```

Bluebird:
http://jsbin.com/kahuzi/1/edit?html,js,console

native ES6:
http://jsbin.com/qivobibowa/3/edit?html,js,console

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Reply to this email directly or view it on GitHub:
https://github.com/slightlyoff/ServiceWorker/issues/600#issuecomment-69701763