Store BackgroundFetchRequestInfo in a refcounted pointer

Store BackgroundFetchRequestInfo in a refcounted pointer

This'll significantly reduce data copies. I expect that we'll be able to
store it in a std::unique_ptr<> when persistent storage is in place, so
added a TODO to the header to migrate in due course.

BUG=

Review-Url: https://codereview.chromium.org/2796933003
Cr-Commit-Position: refs/heads/master@{#462033}
Committed: https://chromium.googlesource.com/chromium/src/+/eed3ef23555fbc6e4c6ba8a5ed0e018116b311ac

[Peter Beverloo, 2017-04-04 14:47:48]

The CQ bit was checked by peter@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-04 14:48:17]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-04 15:51:05]

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

[commit-bot: I haz the power, 2017-04-04 15:51:06]

Dry run: This issue passed the CQ dry run.

[Peter Beverloo, 2017-04-04 17:27:49]

peter@chromium.org changed reviewers:
+ harkness@chromium.org

[Peter Beverloo, 2017-04-04 17:27:50]

+harkness

[harkness, 2017-04-05 08:26:03]

lgtm

[harkness, 2017-04-05 08:26:05]

lgtm

[Peter Beverloo, 2017-04-05 10:59:10]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2017-04-05 10:59:22]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-05 11:04:07]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491389950591800, "parent_rev":
"1750db002c6571ec89adaecfdf4631d4ca211baa", "commit_rev":
"eed3ef23555fbc6e4c6ba8a5ed0e018116b311ac"}

[commit-bot: I haz the power, 2017-04-05 11:04:55]

Description was changed from

==========
Store BackgroundFetchRequestInfo in a refcounted pointer

This'll significantly reduce data copies. I expect that we'll be able to
store it in a std::unique_ptr<> when persistent storage is in place, so
added a TODO to the header to migrate in due course.

BUG=
==========

to

==========
Store BackgroundFetchRequestInfo in a refcounted pointer

This'll significantly reduce data copies. I expect that we'll be able to
store it in a std::unique_ptr<> when persistent storage is in place, so
added a TODO to the header to migrate in due course.

BUG=

Review-Url: https://codereview.chromium.org/2796933003
Cr-Commit-Position: refs/heads/master@{#462033}
Committed:
https://chromium.googlesource.com/chromium/src/+/eed3ef23555fbc6e4c6ba8a5ed0e...
==========

[commit-bot: I haz the power, 2017-04-05 11:04:56]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/eed3ef23555fbc6e4c6ba8a5ed0e...