[Media Router WebUI] Make subtext color darker.

[Media Router WebUI] Make subtext color darker.

The current color is between paper grey 500 and paper grey 600. This darkens the color to paper grey 600 to fix the AX_COLOR_01 warnings for the subtext.

BUG=609167
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/1946823003
Cr-Commit-Position: refs/heads/master@{#391630}
(cherry picked from commit e7e4e8b18cd9846f1ce1d1a6a334a8b96648b832)

Committed: https://chromium.googlesource.com/chromium/src/+/1dd476b2fabedb95f0ff1646c6d8c532e08fd27d

[apacible, 2016-05-06 16:44:10]

Description was changed from

==========
[Media Router WebUI] Make subtext color darker.

The current color is between paper grey 500 and paper grey 600. This darkens the
color to paper grey 600 to fix the AX_COLOR_01 warnings for the subtext.

BUG=609167
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/1946823003
Cr-Commit-Position: refs/heads/master@{#391630}
(cherry picked from commit e7e4e8b18cd9846f1ce1d1a6a334a8b96648b832)
==========

to

==========
[Media Router WebUI] Make subtext color darker.

The current color is between paper grey 500 and paper grey 600. This darkens the
color to paper grey 600 to fix the AX_COLOR_01 warnings for the subtext.

BUG=609167
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/1946823003
Cr-Commit-Position: refs/heads/master@{#391630}
(cherry picked from commit e7e4e8b18cd9846f1ce1d1a6a334a8b96648b832)

Committed:
https://chromium.googlesource.com/chromium/src/+/1dd476b2fabedb95f0ff1646c6d8...
==========

[apacible, 2016-05-06 16:44:12]

Committed patchset #1 (id:1) manually as
1dd476b2fabedb95f0ff1646c6d8c532e08fd27d.