Disable paddles for DOM Distiller.

Disable paddles for DOM Distiller.

Currently paddles show up when distilling a web page. This CL disables
that part of the feature, to ensure no paddles show up.

BUG=418240
Committed: https://crrev.com/cb544ae4df7b46966813be828e6107c7f74dd76c
Cr-Commit-Position: refs/heads/master@{#297049}

[nyquist, 2014-09-26 20:44:45]

nyquist@chromium.org changed reviewers:
+ yfriedman@chromium.org

[nyquist, 2014-09-26 20:44:45]

yfriedman: PTAL

[Yaron, 2014-09-26 21:12:48]

lgtm

[nyquist, 2014-09-26 21:13:01]

The CQ bit was checked by nyquist@chromium.org

[commit-bot: I haz the power, 2014-09-26 21:13:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/611463004/1

[commit-bot: I haz the power, 2014-09-26 22:05:55]

Committed patchset #1 (id:1) as 9841d7b5e31ba85ab845e17be67ebe7157ef8999

[commit-bot: I haz the power, 2014-09-26 22:07:21]

Patchset 1 (id:??) landed as
https://crrev.com/cb544ae4df7b46966813be828e6107c7f74dd76c
Cr-Commit-Position: refs/heads/master@{#297049}