[BackgroundSync] Use appopriate type parameters for WebCallbacks (1/4)

[BackgroundSync] Use appopriate type parameters for WebCallbacks (1/4)

This series of CLs fixes WebCallback parameter types used in BackgroundSync.

 - WebSyncRegistration* (ownership transferred)
  => PassOwnPtr<WebServiceWorkerResponse>
 - bool* (ownership transferred)
  => bool
 - WebVector<WebSyncRegstration*>* (ownership transferred)
  => const WebVector<WebSyncRegistration*>&
 - WebPermissionStatus* (ownership transferred)
  => WebPermissionStatus
 - WebSyncError* (ownership transferred)
  => const WebSyncError&

1/4: https://codereview.chromium.org/1309143002/
2/4: https://codereview.chromium.org/1311053002/
3/4: https://codereview.chromium.org/1308273002/
4/4: https://codereview.chromium.org/1308283002/

BUG=493531
Committed: https://crrev.com/bd6e0120cff73aaea3c1356502cbdb23f4afaf3e
Cr-Commit-Position: refs/heads/master@{#345796}

[yhirano, 2015-08-24 08:46:38]

yhirano@chromium.org changed reviewers:
+ jkarlin@chromium.org

[jkarlin, 2015-08-24 11:32:22]

lgtm

[yhirano, 2015-08-27 02:24:26]

The CQ bit was checked by yhirano@chromium.org

[commit-bot: I haz the power, 2015-08-27 02:24:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1309143002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1309143002/20001

[commit-bot: I haz the power, 2015-08-27 04:40:37]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-08-27 04:41:18]

Patchset 2 (id:??) landed as
https://crrev.com/bd6e0120cff73aaea3c1356502cbdb23f4afaf3e
Cr-Commit-Position: refs/heads/master@{#345796}