[VR, Permission] Use appopriate type parameters for WebCallbacks (3/3)

[VR, Permission] Use appopriate type parameters for WebCallbacks (3/3)

 - WebPermissionStatus* (ownership transferred)
  => WebPermissionStatus
 - WebVector<WebVRDevice>* (ownership not transferred)
  => const WebVector<WebVRDevice>&

1/3: https://codereview.chromium.org/1317243002/
2/3: https://codereview.chromium.org/1309803006/
3/3: https://codereview.chromium.org/1321763002/

BUG=493531
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=201610

[yhirano, 2015-08-28 09:35:22]

yhirano@chromium.org changed reviewers:
+ bajones@chromium.org, mlamouri@chromium.org

[mlamouri (slow - plz ping), 2015-08-28 10:45:52]

lgtm

[bajones, 2015-08-28 16:44:28]

modules/vr LGTM.

[yhirano, 2015-09-02 03:09:11]

The CQ bit was checked by yhirano@chromium.org

[commit-bot: I haz the power, 2015-09-02 03:09:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1321763002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1321763002/1

[commit-bot: I haz the power, 2015-09-02 03:57:02]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=201610