Store scan timestamps with Physical Web URLs

Store scan timestamps with Physical Web URLs

This change adds a timestamp to UrlInfo so that we can tell how long
ago the URL was last seen.  This will permit us to do smarter caching.

BUG=598106, 596668
Committed: https://crrev.com/a42232196abfc73d0c710664595af8e1ff01146a
Cr-Commit-Position: refs/heads/master@{#392515}

[cco3, 2016-05-09 21:21:50]

cco3@chromium.org changed reviewers:
+ mattreynolds@chromium.org

[mattreynolds, 2016-05-09 21:37:42]

lgtm

[cco3, 2016-05-09 21:41:12]

cco3@chromium.org changed reviewers:
+ dfalcantara@chromium.org

[gone, 2016-05-09 22:30:15]

lgtm

[cco3, 2016-05-09 22:30:55]

The CQ bit was checked by cco3@chromium.org

[commit-bot: I haz the power, 2016-05-09 22:31:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1966493002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1966493002/1

[commit-bot: I haz the power, 2016-05-09 23:41:50]

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

[commit-bot: I haz the power, 2016-05-09 23:41:51]

Try jobs failed on following builders:
  linux_android_rel_ng on tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[cco3, 2016-05-10 01:09:27]

The CQ bit was checked by cco3@chromium.org

[cco3, 2016-05-10 01:09:28]

The patchset sent to the CQ was uploaded after l-g-t-m from
dfalcantara@chromium.org, mattreynolds@chromium.org
Link to the patchset: https://codereview.chromium.org/1966493002/#ps20001
(title: "Update removeUrl to handle differing timestamps")

[commit-bot: I haz the power, 2016-05-10 01:09:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1966493002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1966493002/20001

[commit-bot: I haz the power, 2016-05-10 02:04:50]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-05-10 02:06:02]

Description was changed from

==========
Store scan timestamps with Physical Web URLs

This change adds a timestamp to UrlInfo so that we can tell how long
ago the URL was last seen.  This will permit us to do smarter caching.

BUG=598106,596668
==========

to

==========
Store scan timestamps with Physical Web URLs

This change adds a timestamp to UrlInfo so that we can tell how long
ago the URL was last seen.  This will permit us to do smarter caching.

BUG=598106,596668

Committed: https://crrev.com/a42232196abfc73d0c710664595af8e1ff01146a
Cr-Commit-Position: refs/heads/master@{#392515}
==========

[commit-bot: I haz the power, 2016-05-10 02:06:03]

Patchset 2 (id:??) landed as
https://crrev.com/a42232196abfc73d0c710664595af8e1ff01146a
Cr-Commit-Position: refs/heads/master@{#392515}