Refactor ssl3_send_client_verify.

Refactor ssl3_send_client_verify.

The original logic was a confusing spaghetti and mixed up initialization for
all the different cases together. Tidy it up in preparation for having to
adjust this logic later to support asynchronous crypto operations.

BUG=none
R=agl@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=270417

[davidben, 2014-05-12 22:32:01]

This should be the same as the one landed in google3.

[agl, 2014-05-12 23:05:40]

Rubber stamp LGTM since it was already reviewed internally.

[davidben, 2014-05-13 21:57:15]

The CQ bit was checked by davidben@chromium.org

[commit-bot: I haz the power, 2014-05-13 22:00:08]

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

[commit-bot: I haz the power, 2014-05-13 22:00:11]

Commit queue rejected this change because it did not recognize the base URL.
Please commit your change manually.

[davidben, 2014-05-14 16:27:55]

Committed patchset #3 manually as r270417 (presubmit successful).