Clear SSLClientSessionCache on low memory notifications.

Clear SSLClientSessionCache on low memory notifications.

There are two cases when cache is flushed:

1) MEMORY_PRESSURE_LEVEL_MODERATE: flush expired sessions only.
2) MEMORY_PRESSURE_LEVEL_CRITICAL: flush everything.

BUG=622069
Committed: https://crrev.com/90e6f5527236b01e687e65722b257e884fc7f1b6
Cr-Commit-Position: refs/heads/master@{#404609}

[maksims (do not use this acc), 2016-07-08 10:02:52]

Description was changed from

==========
low memory notifications

BUG=
==========

to

==========
Clear SSLClientSessionCache on low memory notifications.

There are two cases when cache is flushed:

1) MEMORY_PRESSURE_LEVEL_MODERATE: flush expired sessions only.
2) MEMORY_PRESSURE_LEVEL_CRITICAL: flush everything.

BUG=622069
==========

[maksims (do not use this acc), 2016-07-08 10:02:52]

maksim.sisov@intel.com changed reviewers:
+ asanka@chromium.org, mariakhomenko@google.com, mmenke@chromium.org

[maksims (do not use this acc), 2016-07-08 12:14:42]

please review.

[Maria, 2016-07-08 18:21:34]

mariakhomenko@chromium.org changed reviewers:
+ mariakhomenko@chromium.org
- mariakhomenko@google.com

[Maria, 2016-07-08 18:21:34]

Thanks for doing this. I'm moving myself to cc since I am not familiar with this
code. I'll let the network folks comment here.

[asanka, 2016-07-08 18:26:02]

asanka@chromium.org changed reviewers:
+ davidben@chromium.org
- asanka@chromium.org

[asanka, 2016-07-08 18:26:20]

asanka@chromium.org changed reviewers:
+ asanka@chromium.org

[asanka, 2016-07-08 18:26:21]

-> davidben@

[davidben, 2016-07-08 18:49:07]

lgtm

[maksims (do not use this acc), 2016-07-11 04:56:38]

The CQ bit was checked by maksim.sisov@intel.com

[commit-bot: I haz the power, 2016-07-11 04:56:45]

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

[maksims (do not use this acc), 2016-07-11 05:18:44]

The CQ bit was unchecked by maksim.sisov@intel.com

[maksims (do not use this acc), 2016-07-11 05:21:11]

The CQ bit was checked by maksim.sisov@intel.com

[maksims (do not use this acc), 2016-07-11 05:21:11]

The patchset sent to the CQ was uploaded after l-g-t-m from
davidben@chromium.org
Link to the patchset: https://codereview.chromium.org/2131883002/#ps20001
(title: "rebased + removed not used method")

[commit-bot: I haz the power, 2016-07-11 05:21:24]

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, 2016-07-11 07:12:52]

Description was changed from

==========
Clear SSLClientSessionCache on low memory notifications.

There are two cases when cache is flushed:

1) MEMORY_PRESSURE_LEVEL_MODERATE: flush expired sessions only.
2) MEMORY_PRESSURE_LEVEL_CRITICAL: flush everything.

BUG=622069
==========

to

==========
Clear SSLClientSessionCache on low memory notifications.

There are two cases when cache is flushed:

1) MEMORY_PRESSURE_LEVEL_MODERATE: flush expired sessions only.
2) MEMORY_PRESSURE_LEVEL_CRITICAL: flush everything.

BUG=622069
==========

[commit-bot: I haz the power, 2016-07-11 07:12:53]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-07-11 07:14:53]

Description was changed from

==========
Clear SSLClientSessionCache on low memory notifications.

There are two cases when cache is flushed:

1) MEMORY_PRESSURE_LEVEL_MODERATE: flush expired sessions only.
2) MEMORY_PRESSURE_LEVEL_CRITICAL: flush everything.

BUG=622069
==========

to

==========
Clear SSLClientSessionCache on low memory notifications.

There are two cases when cache is flushed:

1) MEMORY_PRESSURE_LEVEL_MODERATE: flush expired sessions only.
2) MEMORY_PRESSURE_LEVEL_CRITICAL: flush everything.

BUG=622069

Committed: https://crrev.com/90e6f5527236b01e687e65722b257e884fc7f1b6
Cr-Commit-Position: refs/heads/master@{#404609}
==========

[commit-bot: I haz the power, 2016-07-11 07:14:54]

Patchset 2 (id:??) landed as
https://crrev.com/90e6f5527236b01e687e65722b257e884fc7f1b6
Cr-Commit-Position: refs/heads/master@{#404609}