Fix HistoryEntry corruption when commit isn't for provisional entry (try #2).

Fix HistoryEntry corruption when commit isn't for provisional entry (try #2).

BUG=597322, 600238
TEST=See bug for repro steps.
TBR=japhet,alexmos
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1848813005

Cr-Commit-Position: refs/heads/master@{#386785}
(cherry picked from commit 82500315884357312b3caafb49d347ef011c296f)

[Charlie Reis, 2016-04-14 20:14:15]

Description was changed from

==========
Fix HistoryEntry corruption when commit isn't for provisional entry (try #2).

BUG=597322, 600238
TEST=See bug for repro steps.
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation

Review URL: https://codereview.chromium.org/1848813005

Cr-Commit-Position: refs/heads/master@{#386785}
(cherry picked from commit 82500315884357312b3caafb49d347ef011c296f)
==========

to

==========
Fix HistoryEntry corruption when commit isn't for provisional entry (try #2).

BUG=597322, 600238
TEST=See bug for repro steps.
TBR=japhet,alexmos
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1848813005

Cr-Commit-Position: refs/heads/master@{#386785}
(cherry picked from commit 82500315884357312b3caafb49d347ef011c296f)
==========

[Charlie Reis, 2016-04-14 20:14:15]

creis@chromium.org changed reviewers:
+ alexmos@chromium.org, japhet@chromium.org

[Charlie Reis, 2016-04-14 20:14:31]

Merging to M51.

[Charlie Reis, 2016-04-14 20:14:40]

The CQ bit was checked by creis@chromium.org

[commit-bot: I haz the power, 2016-04-14 20:15:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1892593002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1892593002/1

[commit-bot: I haz the power, 2016-04-14 20:16:22]

Description was changed from

==========
Fix HistoryEntry corruption when commit isn't for provisional entry (try #2).

BUG=597322, 600238
TEST=See bug for repro steps.
TBR=japhet,alexmos
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1848813005

Cr-Commit-Position: refs/heads/master@{#386785}
(cherry picked from commit 82500315884357312b3caafb49d347ef011c296f)
==========

to

==========
Fix HistoryEntry corruption when commit isn't for provisional entry (try #2).

BUG=597322, 600238
TEST=See bug for repro steps.
TBR=japhet,alexmos
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1848813005

Cr-Commit-Position: refs/heads/master@{#386785}
(cherry picked from commit 82500315884357312b3caafb49d347ef011c296f)
==========

[commit-bot: I haz the power, 2016-04-14 20:16:23]

Committed patchset #1 (id:1)