[ServiceWorker] Introduce skipServiceWorker flag to blink::WebURLRequest and blink::ResourceRequest

[ServiceWorker] Introduce skipServiceWorker flag to blink::WebURLRequest and blink::ResourceRequest

If the request is a force refresh (shift+refresh) the request should not be handled by the ServiceWorker.
https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#navigator-service-worker-controller

Currently we are checking LOAD_BYPASS_CACHE flag of net::URLRequest in ServiceWorkerControlleeRequestHandler::MaybeCreateJob().
But this flag is set not only when shift+refresh but also when devtool's "Disable cache" is checked.

To distinguish them, I want to add skipServiceWorker flag to blink::WebURLRequest and blink::ResourceRequest and SKIP_SERVICE_WORKER flag to net::URLRequest.

This is blink side patch.
Chromium side patch is this.
  https://codereview.chromium.org/527713002/

BUG=402093
TEST=none

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=181155

[horo, 2014-09-01 05:27:23]

nhiroki@
Could you please review this?

[horo, 2014-09-01 05:28:25]

horo@chromium.org changed reviewers:
+ nhiroki@chromium.org

[horo, 2014-09-01 05:28:26]

nhiroki@
Could you please review this?

[nhiroki, 2014-09-01 05:45:35]

LGTM. Can you fill in the TEST= line?

[horo, 2014-09-01 06:17:37]

On 2014/09/01 05:45:35, nhiroki wrote:
> LGTM. Can you fill in the TEST= line?

Thank you. done.

[horo, 2014-09-01 06:25:34]

horo@chromium.org changed reviewers:
+ tkent@chromium.org

[horo, 2014-09-01 06:25:35]

tkent@
Could you please review this cl?

[tkent, 2014-09-01 07:21:44]

lgtm

[horo, 2014-09-01 07:26:15]

The CQ bit was checked by horo@chromium.org

[commit-bot: I haz the power, 2014-09-01 07:26:39]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/horo@chromium.org/527703002/1

[commit-bot: I haz the power, 2014-09-01 07:30:48]

Committed patchset #1 (id:1) as 181155