Log SSL_READ_ERROR and SSL_WRITE_ERROR in SSLClientSocketOpenSSL.

Log SSL_READ_ERROR and SSL_WRITE_ERROR in SSLClientSocketOpenSSL.

The equivalent logs in SSLClientSocketNSS were never implemented here. This
will help in debugging problems which occur after the handshake.

BUG=425834
Committed: https://crrev.com/b8c232151b427bd02a409955756869c40160c266
Cr-Commit-Position: refs/heads/master@{#301502}

[davidben, 2014-10-23 21:04:17]

davidben@chromium.org changed reviewers:
+ rsleevi@chromium.org

[davidben, 2014-10-23 21:04:17]

More for you, I'm afraid, Ryan. I can also throw this at Adam though I get the
impression you're more familiar with this state machine.

[Ryan Sleevi, 2014-10-27 22:22:00]

lgtm

[davidben, 2014-10-27 22:28:57]

The CQ bit was checked by davidben@chromium.org

[commit-bot: I haz the power, 2014-10-27 22:33:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/651183004/1

[commit-bot: I haz the power, 2014-10-28 00:12:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-28 00:13:15]

Patchset 1 (id:??) landed as
https://crrev.com/b8c232151b427bd02a409955756869c40160c266
Cr-Commit-Position: refs/heads/master@{#301502}