password_manager bad_message.h: Use a sparse histogram.

password_manager bad_message.h: Use a sparse histogram.

[ This is the password_manager equivalent of https://crrev.com/d8ec87b3f93ecf173005fd6020e3f8d3774af128 ]

BUG=None

Committed: https://crrev.com/faee0518d307890065631e35502cfd09cf39e618
Cr-Commit-Position: refs/heads/master@{#339673}

[ncarter (slow), 2015-07-20 21:22:36]

nick@chromium.org changed reviewers:
+ lfg@chromium.org

[ncarter (slow), 2015-07-20 21:22:36]

Hi Lucas,

Please review!

[lfg, 2015-07-20 21:33:22]

LGTM

[ncarter (slow), 2015-07-20 22:53:18]

nick@chromium.org changed reviewers:
+ vabr@chromium.org

[ncarter (slow), 2015-07-20 22:53:18]

+vabr: please approve

[vabr (Chromium), 2015-07-21 06:31:10]

lgtm

[ncarter (slow), 2015-07-21 16:14:55]

The CQ bit was checked by nick@chromium.org

[commit-bot: I haz the power, 2015-07-21 16:15:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1248473002/1

[commit-bot: I haz the power, 2015-07-21 17:15:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-21 17:16:33]

Patchset 1 (id:??) landed as
https://crrev.com/faee0518d307890065631e35502cfd09cf39e618
Cr-Commit-Position: refs/heads/master@{#339673}