Raise Exception if GetHTTPResponses() called multiple times

Raise Exception if GetHTTPResponses() called multiple times

BUG=691773
Review-Url: https://codereview.chromium.org/2696943002
Cr-Commit-Position: refs/heads/master@{#450724}
Committed: https://chromium.googlesource.com/chromium/src/+/196faa680a4f532edbdbe9a2c25a996e9a7ecfde

[Robert Ogden, 2017-02-14 22:46:46]

robertogden@chromium.org changed reviewers:
+ bengr@chromium.org

[bengr, 2017-02-15 00:07:08]

lgtm

[Robert Ogden, 2017-02-15 16:29:41]

The CQ bit was checked by robertogden@chromium.org

[commit-bot: I haz the power, 2017-02-15 16:30:11]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-15 16:40:34]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487176181442470, "parent_rev":
"d5246bfe58b24caf20d2d1967ec3059e1e59667a", "commit_rev":
"196faa680a4f532edbdbe9a2c25a996e9a7ecfde"}

[commit-bot: I haz the power, 2017-02-15 16:41:12]

Description was changed from

==========
Raise Exception if GetHTTPResponses() called multiple times

BUG=691773
==========

to

==========
Raise Exception if GetHTTPResponses() called multiple times

BUG=691773

Review-Url: https://codereview.chromium.org/2696943002
Cr-Commit-Position: refs/heads/master@{#450724}
Committed:
https://chromium.googlesource.com/chromium/src/+/196faa680a4f532edbdbe9a2c25a...
==========

[commit-bot: I haz the power, 2017-02-15 16:41:14]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/196faa680a4f532edbdbe9a2c25a...