Fixing a csswg-test/css-flexbox-1 flakiness expectation.

Fixing a csswg-test/css-flexbox-1 flakiness expectation.

flexbox_flex-natural-mixed-basis-auto.html is flaky on Win7 as well as
Win10 so I'm making the exception generic to Windows.

BUG=626703
TBR=qyearsley@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2670383003
Cr-Commit-Position: refs/heads/master@{#448106}
Committed: https://chromium.googlesource.com/chromium/src/+/826679f7782ce0c6b9781a2ceb5a044f47f49a6c

[joedow, 2017-02-03 23:23:53]

The CQ bit was checked by joedow@chromium.org

[commit-bot: I haz the power, 2017-02-03 23:24:32]

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, 2017-02-03 23:33:52]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486164233963460, "parent_rev":
"ab8854a03c91db9a4838a863a81441b691eda7fc", "commit_rev":
"826679f7782ce0c6b9781a2ceb5a044f47f49a6c"}

[commit-bot: I haz the power, 2017-02-03 23:34:28]

Description was changed from

==========
Fixing a csswg-test/css-flexbox-1 flakiness expectation.

flexbox_flex-natural-mixed-basis-auto.html is flaky on Win7 as well as
Win10 so I'm making the exception generic to Windows.

BUG=626703
TBR=qyearsley@chromium.org
NOTRY=true
==========

to

==========
Fixing a csswg-test/css-flexbox-1 flakiness expectation.

flexbox_flex-natural-mixed-basis-auto.html is flaky on Win7 as well as
Win10 so I'm making the exception generic to Windows.

BUG=626703
TBR=qyearsley@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2670383003
Cr-Commit-Position: refs/heads/master@{#448106}
Committed:
https://chromium.googlesource.com/chromium/src/+/826679f7782ce0c6b9781a2ceb5a...
==========

[commit-bot: I haz the power, 2017-02-03 23:34:29]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/826679f7782ce0c6b9781a2ceb5a...