Revert of SK_DEBUG when DCHECK_ALWAYS_ON

Revert of SK_DEBUG when DCHECK_ALWAYS_ON (patchset #1 id:1 of https://codereview.chromium.org/966593002/)

Reason for revert:
May have caused FontRenderParamsTest failures on Linux debug bots.

Original issue's description:
> SK_DEBUG when DCHECK_ALWAYS_ON
>
> BUG=
>
> Committed: https://crrev.com/879405ae813ae4a9bcbd7684d3551420d4980383
> Cr-Commit-Position: refs/heads/master@{#318557}

TBR=jam@chromium.org,mtklein@google.com,mtklein@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/6197d8798bb0282d42b69c535b17bd2cd92c3b38
Cr-Commit-Position: refs/heads/master@{#318581}

[eroman, 2015-02-28 02:49:29]

Created Revert of SK_DEBUG when DCHECK_ALWAYS_ON

[commit-bot: I haz the power, 2015-02-28 02:50:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/965113002/1

[commit-bot: I haz the power, 2015-02-28 02:50:59]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-28 02:51:45]

Patchset 1 (id:??) landed as
https://crrev.com/6197d8798bb0282d42b69c535b17bd2cd92c3b38
Cr-Commit-Position: refs/heads/master@{#318581}

[eroman, 2015-02-28 05:19:54]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/963423003/ by eroman@chromium.org.

The reason for reverting is: Revert did not help, restoring original patch.