Fix SELECT element width with the mock theme.

Fix SELECT element width with the mock theme.

Mock Theme returns 100x100 for PartScrollbarDownArrow. We should refer to
PartScrollbarUpArrow.

This CL doesn't affect production.

TBR=keishi@chromium.org
BUG=667236
Committed: https://crrev.com/311b6f0bc89fa1029cdfcbcbeb17cb756709ea0b
Cr-Commit-Position: refs/heads/master@{#438454}

[tkent, 2016-12-14 04:46:38]

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

[commit-bot: I haz the power, 2016-12-14 04:47:02]

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, 2016-12-14 06:59:38]

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

[commit-bot: I haz the power, 2016-12-14 06:59:38]

Dry run: This issue passed the CQ dry run.

[tkent, 2016-12-14 07:00:18]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2016-12-14 07:00:31]

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, 2016-12-14 07:28:25]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481698818953180, "parent_rev":
"aaf50fdb8bf9e263ba4d9562e35d5aff7455273e", "commit_rev":
"d03096139380aad559603220365ff3ec51c269fc"}

[commit-bot: I haz the power, 2016-12-14 07:28:50]

Description was changed from

==========
Fix SELECT element width with the mock theme.

Mock Theme returns 100x100 for PartScrollbarDownArrow. We should refer to
PartScrollbarUpArrow.

This CL doesn't affect production.

TBR=keishi@chromium.org
BUG=667236
==========

to

==========
Fix SELECT element width with the mock theme.

Mock Theme returns 100x100 for PartScrollbarDownArrow. We should refer to
PartScrollbarUpArrow.

This CL doesn't affect production.

TBR=keishi@chromium.org
BUG=667236

Review-Url: https://codereview.chromium.org/2573003002
==========

[commit-bot: I haz the power, 2016-12-14 07:28:51]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-14 07:32:29]

Description was changed from

==========
Fix SELECT element width with the mock theme.

Mock Theme returns 100x100 for PartScrollbarDownArrow. We should refer to
PartScrollbarUpArrow.

This CL doesn't affect production.

TBR=keishi@chromium.org
BUG=667236

Review-Url: https://codereview.chromium.org/2573003002
==========

to

==========
Fix SELECT element width with the mock theme.

Mock Theme returns 100x100 for PartScrollbarDownArrow. We should refer to
PartScrollbarUpArrow.

This CL doesn't affect production.

TBR=keishi@chromium.org
BUG=667236

Committed: https://crrev.com/311b6f0bc89fa1029cdfcbcbeb17cb756709ea0b
Cr-Commit-Position: refs/heads/master@{#438454}
==========

[commit-bot: I haz the power, 2016-12-14 07:32:30]

Patchset 1 (id:??) landed as
https://crrev.com/311b6f0bc89fa1029cdfcbcbeb17cb756709ea0b
Cr-Commit-Position: refs/heads/master@{#438454}

[tkent, 2016-12-14 07:33:10]

> Mock Theme returns 100x100 for PartScrollbarDownArrow.

Here is the code:
https://cs.chromium.org/chromium/src/components/test_runner/mock_web_theme_en...

I don't know the reason.