Small cleanup in content MessagePort watcher usage

Small cleanup in content MessagePort watcher usage

Makes the lifetime management of the State object a little clearer.
This change was supposed to make it into the CL which introduced the new
watcher API, but it got dropped somehow.

BUG=700171
R=jam@chromium.org

Review-Url: https://codereview.chromium.org/2752243002
Cr-Commit-Position: refs/heads/master@{#457448}
Committed: https://chromium.googlesource.com/chromium/src/+/1ab02803664abf6094e39d124ab83bfe7c418587

[Ken Rockot(use gerrit already), 2017-03-16 14:42:47]

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

[commit-bot: I haz the power, 2017-03-16 14:43:08]

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

[Ken Rockot(use gerrit already), 2017-03-16 14:43:10]

Description was changed from

==========
Small cleanup in content MessagePort watcher usage

Makes the lifetime management of the State object a little clearer.
This chnage was supposed to make it into the CL which introduced the new
watcher API, but it got dropped somehow.

BUG=700171
R=jam@chromium.org
==========

to

==========
Small cleanup in content MessagePort watcher usage

Makes the lifetime management of the State object a little clearer.
This change was supposed to make it into the CL which introduced the new
watcher API, but it got dropped somehow.

BUG=700171
R=jam@chromium.org
==========

[jam, 2017-03-16 15:43:32]

lgtm

[Ken Rockot(use gerrit already), 2017-03-16 15:45:26]

The CQ bit was unchecked by rockot@chromium.org

[Ken Rockot(use gerrit already), 2017-03-16 15:45:29]

The CQ bit was checked by rockot@chromium.org

[commit-bot: I haz the power, 2017-03-16 15:45:42]

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, 2017-03-16 15:57:07]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489679129941850, "parent_rev":
"291a91bc6d4215a2fe2df3ebf41a9eac60e0cdb8", "commit_rev":
"1ab02803664abf6094e39d124ab83bfe7c418587"}

[commit-bot: I haz the power, 2017-03-16 15:57:50]

Description was changed from

==========
Small cleanup in content MessagePort watcher usage

Makes the lifetime management of the State object a little clearer.
This change was supposed to make it into the CL which introduced the new
watcher API, but it got dropped somehow.

BUG=700171
R=jam@chromium.org
==========

to

==========
Small cleanup in content MessagePort watcher usage

Makes the lifetime management of the State object a little clearer.
This change was supposed to make it into the CL which introduced the new
watcher API, but it got dropped somehow.

BUG=700171
R=jam@chromium.org

Review-Url: https://codereview.chromium.org/2752243002
Cr-Commit-Position: refs/heads/master@{#457448}
Committed:
https://chromium.googlesource.com/chromium/src/+/1ab02803664abf6094e39d124ab8...
==========

[commit-bot: I haz the power, 2017-03-16 15:57:51]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/1ab02803664abf6094e39d124ab8...