[ServiceWorker] Add setURL() and url() to WebServiceWorkerResponse.

[ServiceWorker] Add setURL() and url() to WebServiceWorkerResponse.

The renderer must know the original url of the result of the fetch event for CORS.

BUG=373120
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=177575

[horo, 2014-07-04 08:09:25]

Could you please review?

[falken, 2014-07-04 09:31:44]

lgtm

[horo, 2014-07-04 09:52:06]

The CQ bit was checked by horo@chromium.org

[commit-bot: I haz the power, 2014-07-04 09:52:33]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/horo@chromium.org/370733002/1

[commit-bot: I haz the power, 2014-07-04 10:57:55]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  blink_presubmit on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/9335)

[commit-bot: I haz the power, 2014-07-04 11:00:20]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-07-04 11:00:21]

Try jobs failed on following builders:
  blink_presubmit on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/9340)

[horo, 2014-07-05 03:45:00]

jochen@
Could you please review?

[jochen (gone - plz use gerrit), 2014-07-07 06:48:04]

lgtm

[horo, 2014-07-07 06:54:08]

The CQ bit was checked by horo@chromium.org

[commit-bot: I haz the power, 2014-07-07 06:55:15]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/horo@chromium.org/370733002/1

[commit-bot: I haz the power, 2014-07-07 07:59:31]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/15670)

[commit-bot: I haz the power, 2014-07-07 13:32:01]

Change committed as 177575