Changed "Learn more" URL for history page.

Changed "Learn more" URL for history page.

BUG=469773
TEST=Bring up History page and verify Learn more link goes to the right page. Check different UI languages as well.
TBR=cpu@chromium.org

Committed: https://crrev.com/648b1afdc60aa6cc0e4b009bb13e3c26d0fa4e34
Cr-Commit-Position: refs/heads/master@{#322550}

[pkl (ping after 24h if needed), 2015-03-27 09:25:30]

pkl@chromium.org changed reviewers:
+ cpu@chromium.org

[pkl (ping after 24h if needed), 2015-03-27 09:25:37]

The CQ bit was checked by pkl@chromium.org

[commit-bot: I haz the power, 2015-03-27 09:25:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1036183002/1

[commit-bot: I haz the power, 2015-03-27 09:25:46]

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

[commit-bot: I haz the power, 2015-03-27 09:25:47]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[pkl (ping after 24h if needed), 2015-03-27 09:26:22]

pkl@chromium.org changed reviewers:
+ droger@chromium.org

[pkl (ping after 24h if needed), 2015-03-27 09:26:22]

R=droger
TBR=cpu

[droger, 2015-03-27 09:46:27]

The CQ bit was checked by droger@chromium.org

[droger, 2015-03-27 09:46:27]

lgtm

[commit-bot: I haz the power, 2015-03-27 09:46:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1036183002/1

[commit-bot: I haz the power, 2015-03-27 11:04:12]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-27 11:05:39]

Patchset 1 (id:??) landed as
https://crrev.com/648b1afdc60aa6cc0e4b009bb13e3c26d0fa4e34
Cr-Commit-Position: refs/heads/master@{#322550}