Revert of Update SSL/malware/net error interstitial design

Revert of Update SSL/malware/net error interstitial design (patchset #3 id:40001 of https://codereview.chromium.org/882973003/)

Reason for revert:

revert_reason: Fails ChromeOS tests.

ErrorPageTest.DNSError_DoClickLink
ErrorPageTest.DNSError_DoReload

https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%281%29/builds/55516

Original issue's description:
> Update SSL/malware/net error interstitial design
> + On small screens the navigation buttons are anchored to the bottom of the screen.
> + Tweaks to the text colour
> + Change button styling of safe browsing page
>
> BUG=422882
>
> Committed: https://crrev.com/c2e35628285c2113775566cd85c52320e6fcf565
> Cr-Commit-Position: refs/heads/master@{#313910}

TBR=arv@chromium.org,edwardjung@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=422882
Committed: https://crrev.com/0007e2ce97e9e43b78c44f996a21678b6180a71d
Cr-Commit-Position: refs/heads/master@{#313921}

[perkj_chrome, 2015-01-30 16:14:54]

Created Revert of Update SSL/malware/net error interstitial design

[commit-bot: I haz the power, 2015-01-30 16:15:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/889983002/1

[commit-bot: I haz the power, 2015-01-30 16:16:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-30 16:18:01]

Patchset 1 (id:??) landed as
https://crrev.com/0007e2ce97e9e43b78c44f996a21678b6180a71d
Cr-Commit-Position: refs/heads/master@{#313921}