cros: Minor issues regarding submit button and tabbing on user pod fixed.

ui/login/account_picker/user_pod_row.js

Index: ui/login/account_picker/user_pod_row.js
diff --git a/ui/login/account_picker/user_pod_row.js b/ui/login/account_picker/user_pod_row.js
index a65254b35c75fd0c87805324cd953cb9bc53a187..aac535de0a0694b7162767ada604ee8671a7fb87 100644
--- a/ui/login/account_picker/user_pod_row.js
+++ b/ui/login/account_picker/user_pod_row.js
@@ -718,6 +718,9 @@ cr.define('login', function() {
             this.handlePinChanged_.bind(this));
       }
 
+      if (this.submitButton)
+        this.submitButton.tabIndex = -1;

[xiyuan, 2016/09/23 17:42:17]

nit: Put this in html ?

[sammiequon, 2016/09/23 18:00:15]

Done.

+
       this.actionBoxAreaElement.addEventListener('mousedown',
                                                  stopEventPropagation);
       this.actionBoxAreaElement.addEventListener('click',
@@ -1442,6 +1445,7 @@ cr.define('login', function() {
       this.passwordElement.value = '';
       if (this.pinKeyboard)
         this.pinKeyboard.value = '';
+      this.updateInput_();
       this.classList.toggle('signing-in', false);
       if (takeFocus) {
         if (!this.multiProfilesPolicyApplied)