Fix crash in DirectoryImpl::Flush()

Fix crash in DirectoryImpl::Flush()

BUG=None

Committed: https://crrev.com/074906f973b5b08df264addfe0bc07e9114fcf6b
Cr-Commit-Position: refs/heads/master@{#440858}

[Marijn Kruisselbrink, 2016-12-27 19:27:21]

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

[commit-bot: I haz the power, 2016-12-27 19:27:37]

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

[Marijn Kruisselbrink, 2016-12-27 19:29:26]

mek@chromium.org changed reviewers:
+ erg@chromium.org, jam@chromium.org

[Marijn Kruisselbrink, 2016-12-27 19:29:27]

Not sure if this is actually the correct implementation of ::Flush, bit just
passing FLAG_READ without one of the OPEN or CREATE flags is definitely invalid
(and will always DCHECK, as found in
https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium...)

[commit-bot: I haz the power, 2016-12-27 20:19:40]

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

[commit-bot: I haz the power, 2016-12-27 20:19:41]

Dry run: This issue passed the CQ dry run.

[jam, 2016-12-28 05:42:02]

lgtm

[Marijn Kruisselbrink, 2016-12-28 17:11:22]

The CQ bit was checked by mek@chromium.org

[commit-bot: I haz the power, 2016-12-28 17:11:37]

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, 2016-12-28 17:16:24]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482945082863820, "parent_rev":
"4fe71dc23830fe8ea2349b50baae4c45388dcb64", "commit_rev":
"ec604d66c3b8503bb33bd1265b898469f347b04b"}

[commit-bot: I haz the power, 2016-12-28 17:16:59]

Description was changed from

==========
Fix crash in DirectoryImpl::Flush()

BUG=None
==========

to

==========
Fix crash in DirectoryImpl::Flush()

BUG=None

Review-Url: https://codereview.chromium.org/2604843002
==========

[commit-bot: I haz the power, 2016-12-28 17:17:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2017-01-02 15:49:17]

Description was changed from

==========
Fix crash in DirectoryImpl::Flush()

BUG=None

Review-Url: https://codereview.chromium.org/2604843002
==========

to

==========
Fix crash in DirectoryImpl::Flush()

BUG=None

Committed: https://crrev.com/074906f973b5b08df264addfe0bc07e9114fcf6b
Cr-Commit-Position: refs/heads/master@{#440858}
==========

[commit-bot: I haz the power, 2017-01-02 15:49:18]

Patchset 1 (id:??) landed as
https://crrev.com/074906f973b5b08df264addfe0bc07e9114fcf6b
Cr-Commit-Position: refs/heads/master@{#440858}