Support zero-sized values.

Support zero-sized values.

BUG=697050
Review-Url: https://codereview.chromium.org/2738493004
Cr-Commit-Position: refs/heads/master@{#455287}
Committed: https://chromium.googlesource.com/chromium/src/+/1c36e4ed00bdc18fa8c3892f40e1a801f32a4d54

[bcwhite, 2017-03-07 17:56:40]

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

[commit-bot: I haz the power, 2017-03-07 17:58:03]

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

[bcwhite, 2017-03-07 17:58:28]

bcwhite@chromium.org changed reviewers:
+ manzagop@chromium.org

[commit-bot: I haz the power, 2017-03-07 19:18:08]

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

[commit-bot: I haz the power, 2017-03-07 19:18:09]

Dry run: This issue passed the CQ dry run.

[manzagop (departed), 2017-03-07 19:23:44]

lgtm

[bcwhite, 2017-03-07 20:37:34]

The CQ bit was checked by bcwhite@chromium.org

[commit-bot: I haz the power, 2017-03-07 20:39:18]

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, 2017-03-07 23:30:45]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488919054669320, "parent_rev":
"627d462e4a1fb99efa5d66caf6648a5cb246ffa6", "commit_rev":
"1c36e4ed00bdc18fa8c3892f40e1a801f32a4d54"}

[commit-bot: I haz the power, 2017-03-07 23:31:49]

Description was changed from

==========
Support zero-sized values.

BUG=697050
==========

to

==========
Support zero-sized values.

BUG=697050

Review-Url: https://codereview.chromium.org/2738493004
Cr-Commit-Position: refs/heads/master@{#455287}
Committed:
https://chromium.googlesource.com/chromium/src/+/1c36e4ed00bdc18fa8c3892f40e1...
==========

[commit-bot: I haz the power, 2017-03-07 23:31:50]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/1c36e4ed00bdc18fa8c3892f40e1...