Rename variables "request_handle" to "request" in CertVerifier tests.

Rename variables "request_handle" to "request" in CertVerifier tests.

This follows the refactor of CertVerifier::RequestHandle --> CertVerifier::Request.

BUG=475153
Committed: https://crrev.com/c8f859a652833c1997305d747683845aa98a7487
Cr-Commit-Position: refs/heads/master@{#330033}

[eroman, 2015-05-09 01:42:33]

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

[Ryan Sleevi, 2015-05-09 01:43:59]

lgtm

[eroman, 2015-05-11 22:10:20]

TRB pneubeck@chromium.org for changes to
chrome/browser/chromeos/policy/policy_cert_verifier_browsertest.cc

[eroman, 2015-05-11 22:11:19]

eroman@chromium.org changed reviewers:
+ pneubeck@chromium.org

[eroman, 2015-05-11 22:11:20]

Actually add pneubeck@chromium.org this time (TBR for cromeos change)

[eroman, 2015-05-11 23:09:31]

(Won't commit this until later in the week, in case the dependent CL ends up
needing to be reverted)

[pneubeck (no reviews), 2015-05-12 09:21:45]

lgtm

[eroman, 2015-05-15 02:45:14]

The CQ bit was checked by eroman@chromium.org

[eroman, 2015-05-15 02:45:15]

The patchset sent to the CQ was uploaded after l-g-t-m from rsleevi@chromium.org
Link to the patchset: https://codereview.chromium.org/1132103004/#ps20001
(title: "rebase onto master")

[eroman, 2015-05-15 02:45:33]

The CQ bit was unchecked by eroman@chromium.org

[eroman, 2015-05-15 02:47:08]

The CQ bit was checked by eroman@chromium.org

[commit-bot: I haz the power, 2015-05-15 02:47:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1132103004/20001

[commit-bot: I haz the power, 2015-05-15 03:10:55]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-05-15 03:11:41]

Patchset 2 (id:??) landed as
https://crrev.com/c8f859a652833c1997305d747683845aa98a7487
Cr-Commit-Position: refs/heads/master@{#330033}