ChromeOS MD-OOBE: Add HID detection screen.

chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.css

 /* Copyright 2014 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
 #hid-detection {
   min-height: 395px;
   padding: 70px 17px 21px;
   width: 622px;
 }
 
+#oobe[md-mode] #hid-detection {

[xiyuan, 2017/01/05 00:09:06]

Why not get rid of this and update line 5 to something like:

#oobe:not([md-mode]) #hid-detection {
...
}

[Alexander Alekseev, 2017/01/05 02:01:16]

Done.

+  min-height: unset;
+  padding: unset;
+  width: unset;
+}
+
 #hid-detection .step-contents {
   margin: 33px auto 82px;
   width: 475px;
 }
 
 #hid-detection #hid-invitation-text {
   font-size: 16px;
 }
 
 #hid-detection #hid-prerequisite-msg {
@@ skipping 67 matching lines @@
 }
 
 .usb #hid-keyboard-tick,
 .usb #hid-mouse-tick,
 .connected #hid-mouse-tick,
 .paired #hid-keyboard-tick,
 .paired #hid-mouse-tick {
   visibility: visible;
 }