Don't try to store POST data for a nil CWRSessionEntry

Don't try to store POST data for a nil CWRSessionEntry

Due to bug 570699, it's sometimes possible not to have any current
SessionEntry/NavgitionItem. In that case, don't attempt to store
POST data on the item.

BUG=574195, 570699
Review URL: https://codereview.chromium.org/1575683002

Cr-Commit-Position: refs/heads/master@{#368484}
(cherry picked from commit 8deee5e976def2edb4d6649898a923063ceebf8b)

Committed: https://chromium.googlesource.com/chromium/src/+/c1c8546289ca4001c9de1e25044c0bbf8e2a82ab

[stuartmorgan, 2016-01-12 15:10:29]

Description was changed from

==========
Don't try to store POST data for a nil CWRSessionEntry

Due to bug 570699, it's sometimes possible not to have any current
SessionEntry/NavgitionItem. In that case, don't attempt to store
POST data on the item.

BUG=574195,570699

Review URL: https://codereview.chromium.org/1575683002

Cr-Commit-Position: refs/heads/master@{#368484}
(cherry picked from commit 8deee5e976def2edb4d6649898a923063ceebf8b)
==========

to

==========
Don't try to store POST data for a nil CWRSessionEntry

Due to bug 570699, it's sometimes possible not to have any current
SessionEntry/NavgitionItem. In that case, don't attempt to store
POST data on the item.

BUG=574195,570699

Review URL: https://codereview.chromium.org/1575683002

Cr-Commit-Position: refs/heads/master@{#368484}
(cherry picked from commit 8deee5e976def2edb4d6649898a923063ceebf8b)

Committed:
https://chromium.googlesource.com/chromium/src/+/c1c8546289ca4001c9de1e25044c...
==========

[stuartmorgan, 2016-01-12 15:10:31]

Committed patchset #1 (id:1) manually as
c1c8546289ca4001c9de1e25044c0bbf8e2a82ab.