Dialog message saying PIN is incorrect positioned correctly.

ui/login/account_picker/user_pod_row.js

 // 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.
 
 /**
  * @fileoverview User pod row implementation.
  */
 
 cr.define('login', function() {
   /**
@@ skipping 1156 matching lines @@
         (Oobe.getInstance().displayType == DISPLAY_TYPE.USER_ADDING);
       return isMultiProfilesUI && !this.user_.isMultiProfilesAllowed;
     },
 
     /**
      * Gets main input element.
      * @type {(HTMLButtonElement|HTMLInputElement)}
      */
     get mainInput() {
       if (this.isAuthTypePassword) {
+        if (this.pinContainer.classList.contains('pin-enabled')) {
+          return this.pinKeyboard.inputElement;
+        }
         return this.passwordElement;
       } else if (this.isAuthTypeOnlineSignIn) {
         return this;
       } else if (this.isAuthTypeUserClick) {
         return this.passwordLabelElement;
       }
     },
 
     /**
      * Whether action box button is in active state.
@@ skipping 146 matching lines @@
      * @return {boolean} True if activated successfully.
      */
     activate: function(e) {
       if (this.isAuthTypeOnlineSignIn) {
         this.showSigninUI();
       } else if (this.isAuthTypeUserClick) {
         Oobe.disableSigninUI();
         this.classList.toggle('signing-in', true);
         chrome.send('attemptUnlock', [this.user.username]);
       } else if (this.isAuthTypePassword) {
-        if (!this.passwordElement.value)
+        if (!this.passwordElement.value && this.pinKeyboard.inputElement &&
+            !this.pinKeyboard.inputElement.value)
           return false;
         Oobe.disableSigninUI();
-        chrome.send('authenticateUser',
-                    [this.user.username, this.passwordElement.value]);
+        // The PIN gets authenticated seperately, so we do not want it to be
+        // authenticated twice.
+        if (this.passwordElement.value)

[jdufault, 2016/07/11 18:19:54]

Add {}

Can the PIN submit handler be removed so there's only one authenticateUser call?

[sammiequon, 2016/07/11 22:16:25]

Done.

+          chrome.send('authenticateUser',
+                      [this.user.username, this.passwordElement.value]);
       } else {
         console.error('Activating user pod with invalid authentication type: ' +
             this.authType);
       }
 
       return true;
     },
 
     showSupervisedUserSigninWarning: function() {
       // Legacy supervised user token has been invalidated.
@@ skipping 438 matching lines @@
       if (this.parentNode.disabled)
         return;
 
       if (!this.isActionBoxMenuActive) {
         if (this.isAuthTypeOnlineSignIn) {
           this.showSigninUI();
         } else if (this.isAuthTypeUserClick && this.userClickAuthAllowed_) {
           // Note that this.userClickAuthAllowed_ is set in mouse down event
           // handler.
           this.parentNode.setActivatedPod(this);
+        } else if (this.pinKeyboard.submitButton &&
+                   e.target == this.pinKeyboard.submitButton) {
+          this.parentNode.setActivatedPod(this);
         }
 
         if (this.multiProfilesPolicyApplied)
           this.userTypeBubbleElement.classList.add('bubble-shown');
 
         // Prevent default so that we don't trigger 'focus' event and
         // stop propagation so that the 'click' event does not bubble
         // up and accidentally closes the bubble tooltip.
         stopEventPropagation(e);
       }
@@ skipping 1576 matching lines @@
             else
               this.focusPod(this.firstElementChild);
 
             e.stopPropagation();
           }
           break;
         case 'Enter':
           if (this.focusedPod_) {
             var targetTag = e.target.tagName;
             if (e.target == this.focusedPod_.passwordElement ||
+                e.target == this.focusedPod_.pinKeyboard.inputElement ||
                 (targetTag != 'INPUT' &&
                  targetTag != 'BUTTON' &&
                  targetTag != 'A')) {
               this.setActivatedPod(this.focusedPod_, e);
               e.stopPropagation();
             }
           }
           break;
         case 'Escape':
           if (!this.alwaysFocusSinglePod)
@@ skipping 85 matching lines @@
        if (pod && pod.multiProfilesPolicyApplied) {
          pod.userTypeBubbleElement.classList.remove('bubble-shown');
        }
      }
   };
 
   return {
     PodRow: PodRow
   };
 });