Keep url by value in SSLErrorClassification.

Keep url by value in SSLErrorClassification.

Keeping a reference instead is causing a crash during shutdown in ASAN
builds.

BUG=419542
Committed: https://crrev.com/3c55b095c72fe1063453ac667c6fa09a9439ab6b
Cr-Commit-Position: refs/heads/master@{#297737}

[meacer, 2014-10-01 21:33:00]

meacer@chromium.org changed reviewers:
+ felt@chromium.org

[meacer, 2014-10-01 21:33:00]

Can you please take a look? Thanks.

[felt, 2014-10-01 21:37:32]

lgtm

[meacer, 2014-10-01 21:37:41]

The CQ bit was checked by meacer@chromium.org

[commit-bot: I haz the power, 2014-10-01 21:39:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/623583003/1

[commit-bot: I haz the power, 2014-10-01 23:47:47]

Committed patchset #1 (id:1) as 0509c0249e1d30ec8ad4d499423a27f8fee6a802

[commit-bot: I haz the power, 2014-10-01 23:48:48]

Patchset 1 (id:??) landed as
https://crrev.com/3c55b095c72fe1063453ac667c6fa09a9439ab6b
Cr-Commit-Position: refs/heads/master@{#297737}