Fix some non-const ref function argument types.

Fix some non-const ref function argument types.

The style guide does not allow passing arguments by non-const reference.
This CL changes a few occurrences (found by git cl lint) to const ref
where the instance is not mutated, and to pointer where it is.

Review-Url: https://codereview.chromium.org/2889273003
Cr-Commit-Position: refs/heads/master@{#473642}
Committed: https://chromium.googlesource.com/chromium/src/+/6a0348c405f6c72bf6ce977d31b15f0b2c8ed36f

[Bence, 2017-05-19 19:01:03]

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

[commit-bot: I haz the power, 2017-05-19 19:02:45]

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, 2017-05-19 20:50:11]

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

[commit-bot: I haz the power, 2017-05-19 20:50:12]

Dry run: This issue passed the CQ dry run.

[Bence, 2017-05-20 00:20:17]

bnc@chromium.org changed reviewers:
+ zhongyi@chromium.org

[Bence, 2017-05-20 00:20:17]

Zhongyi: PTAL.  Thank you.

[Zhongyi Shi, 2017-05-22 17:06:32]

Nice!

lgtm

[Bence, 2017-05-22 17:07:35]

bnc@chromium.org changed reviewers:
+ rch@chromium.org

[Bence, 2017-05-22 17:07:35]

Ryan:  PTAL.  Thanks.
Zhongyi:  Thank you for the review.

[Ryan Sleevi, 2017-05-22 17:12:00]

rsleevi@chromium.org changed reviewers:
+ rsleevi@chromium.org

[Ryan Sleevi, 2017-05-22 17:12:01]

lgtm

[Bence, 2017-05-22 17:23:32]

The CQ bit was checked by bnc@chromium.org

[Bence, 2017-05-22 17:23:41]

On 2017/05/22 17:12:01, Ryan Sleevi wrote:
> lgtm

Thanks.

[Ryan Hamilton, 2017-05-22 17:23:44]

lgtm

[commit-bot: I haz the power, 2017-05-22 17:24:01]

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, 2017-05-22 18:56:23]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1495473812670350, "parent_rev":
"b65043769fd66a4a1baf6dbb811127f67ed6beae", "commit_rev":
"6a0348c405f6c72bf6ce977d31b15f0b2c8ed36f"}

[commit-bot: I haz the power, 2017-05-22 18:56:37]

Description was changed from

==========
Fix some non-const ref function argument types.

The style guide does not allow passing arguments by non-const reference.
This CL changes a few occurrences (found by git cl lint) to const ref
where the instance is not mutated, and to pointer where it is.
==========

to

==========
Fix some non-const ref function argument types.

The style guide does not allow passing arguments by non-const reference.
This CL changes a few occurrences (found by git cl lint) to const ref
where the instance is not mutated, and to pointer where it is.

Review-Url: https://codereview.chromium.org/2889273003
Cr-Commit-Position: refs/heads/master@{#473642}
Committed:
https://chromium.googlesource.com/chromium/src/+/6a0348c405f6c72bf6ce977d31b1...
==========

[commit-bot: I haz the power, 2017-05-22 18:56:41]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/6a0348c405f6c72bf6ce977d31b1...