Allows prerendering to continue for offline requests even if the url was recently visited.

Allows prerendering to continue for offline requests even if the url was recently visited.
This is important for the way the new Download feature works. If a link is taking a while
to load, you can choose to download it (which does background load using prerender with
ORIGIN_OFFLINE). We indeed were recently trying to visit it but still want to load in the
background.

BUG=652350
Committed: https://crrev.com/cafb83e8a6a24bc3df0387959373b1988baf5416
Cr-Commit-Position: refs/heads/master@{#423543}

[dougarnett, 2016-10-05 22:21:09]

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

[commit-bot: I haz the power, 2016-10-05 22:21:57]

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

[dougarnett, 2016-10-05 22:22:06]

dougarnett@chromium.org changed reviewers:
+ mmenke@chromium.org, pasko@chromium.org

[commit-bot: I haz the power, 2016-10-05 23:11:43]

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

[commit-bot: I haz the power, 2016-10-05 23:11:43]

Dry run: This issue passed the CQ dry run.

[pasko, 2016-10-06 12:09:00]

lgtm

[mmenke, 2016-10-06 15:25:01]

On 2016/10/06 12:09:00, pasko wrote:
> lgtm

LGTM

[dougarnett, 2016-10-06 15:30:54]

The CQ bit was checked by dougarnett@chromium.org

[commit-bot: I haz the power, 2016-10-06 15:31:14]

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, 2016-10-06 15:37:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-06 15:40:40]

Description was changed from

==========
Allows prerendering to continue for offline requests even if the url was
recently visited.
This is important for the way the new Download feature works. If a link is
taking a while
to load, you can choose to download it (which does background load using
prerender with
ORIGIN_OFFLINE). We indeed were recently trying to visit it but still want to
load in the
background.

BUG=652350
==========

to

==========
Allows prerendering to continue for offline requests even if the url was
recently visited.
This is important for the way the new Download feature works. If a link is
taking a while
to load, you can choose to download it (which does background load using
prerender with
ORIGIN_OFFLINE). We indeed were recently trying to visit it but still want to
load in the
background.

BUG=652350

Committed: https://crrev.com/cafb83e8a6a24bc3df0387959373b1988baf5416
Cr-Commit-Position: refs/heads/master@{#423543}
==========

[commit-bot: I haz the power, 2016-10-06 15:40:41]

Patchset 1 (id:??) landed as
https://crrev.com/cafb83e8a6a24bc3df0387959373b1988baf5416
Cr-Commit-Position: refs/heads/master@{#423543}