Remove argument to progress bar timing methods on LayoutTheme.

Remove argument to progress bar timing methods on LayoutTheme.

None of the implementations do anything with this argument.

R=dsinclair@chromium.org

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=190688

[jbroman, 2015-02-23 17:47:33]

This seems a reasonably simple cleanup, assuming the trybots approve.

[dsinclair, 2015-02-23 17:51:59]

lgtm

[jbroman, 2015-02-23 17:52:11]

The CQ bit was checked by jbroman@chromium.org

[commit-bot: I haz the power, 2015-02-23 17:52:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/952593003/1

[commit-bot: I haz the power, 2015-02-23 20:50:48]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=190688