Files.app: Added column dividers.

Files.app: Added column dividers.

Originally column dividers are hidden by 'display:none';
This CL updated the CSS for column dividers and make them visible.

BUG=238867
TEST=manually
R=yoshiki@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=202484

[hirono, 2013-05-27 05:57:11]

Yoshiki-san,
Could you check this CL to enable column dividers?
Thank you!

[yoshiki, 2013-05-28 02:08:48]

lgtm

[hirono, 2013-05-28 02:09:58]

On 2013/05/28 02:08:48, yoshiki wrote:
> lgtm

Thanks again!

[commit-bot: I haz the power, 2013-05-28 02:10:15]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/hirono@chromium.org/15835004/1

[commit-bot: I haz the power, 2013-05-28 02:10:16]

Can't process patch for file
chrome/browser/resources/file_manager/images/files/ui/new-ui/2x/vertical_separator.png.
Binary file support is temporarilly disabled due to a bug. Please commit blindly
the binary files first then commit the source change as a separate CL. Sorry for
the annoyance.

[hirono, 2013-05-28 02:32:13]

Committed patchset #1 manually as r202484 (presubmit successful).