Mark some PrintPreviewUI methods as const.

Mark some PrintPreviewUI methods as const.

Same for the rest of the call chain.

Review-Url: https://codereview.chromium.org/2824283004
Cr-Commit-Position: refs/heads/master@{#465688}
Committed: https://chromium.googlesource.com/chromium/src/+/77f3542894742c1351f9a02638f46752e6db9c40

[Lei Zhang, 2017-04-18 21:53:21]

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

[commit-bot: I haz the power, 2017-04-18 21:53:46]

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, 2017-04-18 22:43:20]

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

[commit-bot: I haz the power, 2017-04-18 22:43:21]

Dry run: This issue passed the CQ dry run.

[Lei Zhang, 2017-04-18 23:06:32]

thestig@chromium.org changed reviewers:
+ rbpotter@chromium.org

[rbpotter, 2017-04-19 18:51:21]

On 2017/04/18 23:06:32, Lei Zhang wrote:

lgtm

[Lei Zhang, 2017-04-19 18:54:13]

The CQ bit was checked by thestig@chromium.org

[commit-bot: I haz the power, 2017-04-19 18:55:18]

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, 2017-04-19 19:02:39]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492628053864060, "parent_rev":
"907ff687dc1602164ce1f7f713a3b6c8adc883b7", "commit_rev":
"77f3542894742c1351f9a02638f46752e6db9c40"}

[commit-bot: I haz the power, 2017-04-19 19:06:16]

Description was changed from

==========
Mark some PrintPreviewUI methods as const.

Same for the rest of the call chain.
==========

to

==========
Mark some PrintPreviewUI methods as const.

Same for the rest of the call chain.

Review-Url: https://codereview.chromium.org/2824283004
Cr-Commit-Position: refs/heads/master@{#465688}
Committed:
https://chromium.googlesource.com/chromium/src/+/77f3542894742c1351f9a02638f4...
==========

[commit-bot: I haz the power, 2017-04-19 19:06:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/77f3542894742c1351f9a02638f4...