Implement SSLConfigService::Observer in QuicStreamFactory

Implement SSLConfigService::Observer in QuicStreamFactory
When channel IDs are deleted, QUIC sessions  need to be close to avoid reusing the old channel ID.

Committed: https://crrev.com/02d87791575f9d90386d32177ad479710c813e90
Cr-Commit-Position: refs/heads/master@{#347868}

[Ryan Hamilton, 2015-09-08 17:30:09]

rch@chromium.org changed reviewers:
+ rtenneti@chromium.org

[ramant (doing other things), 2015-09-08 17:31:52]

lgtm

[Ryan Hamilton, 2015-09-08 22:45:29]

The CQ bit was checked by rch@chromium.org

[Ryan Hamilton, 2015-09-08 22:45:30]

The patchset sent to the CQ was uploaded after l-g-t-m from
rtenneti@chromium.org
Link to the patchset: https://codereview.chromium.org/1320423011/#ps40001
(title: "fix tests")

[commit-bot: I haz the power, 2015-09-08 22:45:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1320423011/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1320423011/40001

[commit-bot: I haz the power, 2015-09-08 23:57:10]

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

[commit-bot: I haz the power, 2015-09-08 23:57:10]

Try jobs failed on following builders:
  linux_chromium_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Ryan Hamilton, 2015-09-09 02:59:48]

The CQ bit was checked by rch@chromium.org

[commit-bot: I haz the power, 2015-09-09 03:00:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1320423011/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1320423011/40001

[commit-bot: I haz the power, 2015-09-09 09:05:59]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-09-09 09:07:06]

Patchset 3 (id:??) landed as
https://crrev.com/02d87791575f9d90386d32177ad479710c813e90
Cr-Commit-Position: refs/heads/master@{#347868}