cros: Fixed 3 bugs for pin unlock.

ui/login/account_picker/user_pod_row.css

Index: ui/login/account_picker/user_pod_row.css
diff --git a/ui/login/account_picker/user_pod_row.css b/ui/login/account_picker/user_pod_row.css
index ecd9b26b1c136afaa6fe320bfea92970c65e2788..9390d68921a201dac2d272e9644dae9e513a820c 100644
--- a/ui/login/account_picker/user_pod_row.css
+++ b/ui/login/account_picker/user_pod_row.css
@@ -193,17 +193,11 @@ html[dir=rtl] .main-pane {
 }
 
 .name-container {
-  transition: transform 180ms,
-              opacity 180ms ease-in-out 180ms,
-              visibility 180ms ease-in-out 180ms;
-  opacity : 1;
-  visibility: visible;
+  transition: transform 180ms;
 }
 
-.name-container.pin-enabled {
-  opacity : 0;
-  transition: none;
-  visibility: hidden;
+.pod.focused .name-container {

[jdufault, 2016/10/19 18:12:29]

What is the name-container used for? We want to always hide it whenever the pod
is focused?

[sammiequon, 2016/10/19 21:08:10]

The name container shows the name when there are multiple pods. It is hidden in
place of the password container when the pod is focused.

[jdufault, 2016/10/19 22:13:25]

What used to hide this if the PIN keyboard was not enabled?

[sammiequon, 2016/10/20 16:50:00]

This same section. I removed it earlier because the name was looking funny on
the old mocks.

+  display: none;
 }
 
 .pod.focused.multiprofiles-policy-applied .name-container {
@@ -410,6 +404,10 @@ html[dir=rtl] .main-pane {
   cursor: pointer;
 }
 
+.pod[auth-type='onlineSignIn'] .custom-icon-container {
+  display: none;
+}
+
 .custom-icon-container {
   display: flex;
   flex: none;