Files.app: Added a header to the middle bar and polish the design.

Files.app: Added a header to the middle bar and polish the design.

This CL added a header element to main_new_ui.html and updated CSS to match the
height of items in the directory tree and the files list.

BUG=239283
TEST=manually

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=202528

[hirono, 2013-05-27 09:57:57]

Yoshiki-san,
Could you check the CL to fix a beauty bug?
Thank you very much!

[yoshiki, 2013-05-28 02:08:37]

lgtm

[hirono, 2013-05-28 02:09:21]

On 2013/05/28 02:08:37, yoshiki wrote:
> lgtm

Thank you!

[commit-bot: I haz the power, 2013-05-28 06:08:21]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/hirono@chromium.org/16043005/1

[commit-bot: I haz the power, 2013-05-28 08:17:33]

Retried try job too often on linux_chromeos for step(s) browser_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...

[commit-bot: I haz the power, 2013-05-28 08:43:54]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/hirono@chromium.org/16043005/14003

[commit-bot: I haz the power, 2013-05-28 10:55:50]

Change committed as 202528