Adding the creation_flags back to pending_extension_info. Add a unit test to cover the case when an…

Adding the creation_flags back to pending_extension_info. Add a unit test to cover the case when an external extension is updated before being installed and make sure it retains the creation flags.

BUG=627522
Review-Url: https://codereview.chromium.org/2146963004
Cr-Commit-Position: refs/heads/master@{#405856}
(cherry picked from commit 0128d5a9b0a402cd85aa0ef409c73f3ad1df548c)

Committed: https://chromium.googlesource.com/chromium/src/+/7fb006083710f482493a5643509fedc6f399cd4a

[Marc Treib, 2016-07-18 08:23:02]

Description was changed from

==========
Adding the creation_flags back to pending_extension_info. Add a unit test to
cover the case when an external extension is updated before being installed and
make sure it retains the creation flags.

BUG=627522

Review-Url: https://codereview.chromium.org/2146963004
Cr-Commit-Position: refs/heads/master@{#405856}
(cherry picked from commit 0128d5a9b0a402cd85aa0ef409c73f3ad1df548c)
==========

to

==========
Adding the creation_flags back to pending_extension_info. Add a unit test to
cover the case when an external extension is updated before being installed and
make sure it retains the creation flags.

BUG=627522

Review-Url: https://codereview.chromium.org/2146963004
Cr-Commit-Position: refs/heads/master@{#405856}
(cherry picked from commit 0128d5a9b0a402cd85aa0ef409c73f3ad1df548c)

Committed:
https://chromium.googlesource.com/chromium/src/+/7fb006083710f482493a5643509f...
==========

[Marc Treib, 2016-07-18 08:23:03]

Committed patchset #1 (id:1) manually as
7fb006083710f482493a5643509fedc6f399cd4a.