Load host settings in connect_ to ensure they are valid for every connection.

Load host settings in connect_ to ensure they are valid for every connection.

Previously, they were loaded only in start, which led to them being invalid
for reconnections where a JID change required that the host_ member be refreshed.

BUG=592068
Review URL: https://codereview.chromium.org/1765643003

Cr-Commit-Position: refs/heads/master@{#379414}
(cherry picked from commit e2fe1ad65044e955bd7184b7b9597de2162a6294)

Committed: https://chromium.googlesource.com/chromium/src/+/2ea40f3cc35b1b4782718e5b984dc0950ab2869d

[Jamie, 2016-03-07 21:19:26]

Description was changed from

==========
Load host settings in connect_ to ensure they are valid for every connection.

Previously, they were loaded only in start, which led to them being invalid
for reconnections where a JID change required that the host_ member be
refreshed.

BUG=592068

Review URL: https://codereview.chromium.org/1765643003

Cr-Commit-Position: refs/heads/master@{#379414}
(cherry picked from commit e2fe1ad65044e955bd7184b7b9597de2162a6294)
==========

to

==========
Load host settings in connect_ to ensure they are valid for every connection.

Previously, they were loaded only in start, which led to them being invalid
for reconnections where a JID change required that the host_ member be
refreshed.

BUG=592068

Review URL: https://codereview.chromium.org/1765643003

Cr-Commit-Position: refs/heads/master@{#379414}
(cherry picked from commit e2fe1ad65044e955bd7184b7b9597de2162a6294)

Committed:
https://chromium.googlesource.com/chromium/src/+/2ea40f3cc35b1b4782718e5b984d...
==========

[Jamie, 2016-03-07 21:19:27]

Committed patchset #1 (id:1) manually as
2ea40f3cc35b1b4782718e5b984dc0950ab2869d.