Re: [service-workers-tests][workers-tests] Add LayoutTests to test Blob URL transfer to {Shared,Service}Workers (#4890)

# Firefox (nightly channel) #
Testing web-platform-tests at revision 0007088bce3892b23aff7dc97e1e791ac272ec94
Using browser at version BuildID 20170123125947; SourceStamp 36486fdc3813ef7943ae5b07b4128866d1938a6c
Starting 10 test iterations
All results were stable
## All results ##
<details>
<summary>2 tests ran</summary>
<details>
<summary><a href="http://w3c-test.org/submissions/4890/workers/SharedWorker_blobUrl.html">/workers/SharedWorker_blobUrl.html</a></summary>


|                    Subtest                    | Results |
|-----------------------------------------------|---------|
|                                               | OK      |
| `Blob URL shared by document on SharedWorker` | PASS    |

</details>
<details>
<summary><a href="https://w3c-test.org/submissions/4890/service-workers/service-worker/postmessage-blob-url.https.html">/service-workers/service-worker/postmessage-blob-url.https.html</a></summary>


|                  Subtest                  | Results |
|-------------------------------------------|---------|
|                                           | OK      |
| `postMessage Blob URL to a ServiceWorker` | PASS    |

</details>
</details>

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4890#issuecomment-280393998

Received on Thursday, 16 February 2017 17:09:31 UTC