Fixed issue with pods flying when changing profiles.

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 1106 matching lines @@
           this.querySelector('.mp-policy-primary-only-msg').hidden = false;
         else if (this.user.multiProfilesPolicy == 'owner-primary-only')
           this.querySelector('.mp-owner-primary-only-msg').hidden = false;
         else
           this.querySelector('.mp-policy-not-allowed-msg').hidden = false;
       } else if (this.user_.isApp) {
         this.setUserPodIconType('app');
       }
     },
 
+    setEnableTransitions: function(enable) {
+      this.classList.toggle('flying-pin-pod', enable);

[jdufault, 2016/06/29 20:40:35]

Do we ever want this not enabled?

[sammiequon, 2016/06/29 21:01:23]

It seems the user picker in chrome uses user pod template as well, and the added
transitions for the PIN movement caused the bug. So we only want to toggle this
when we know its the lock screen PIN.

+    },
+
     setPinVisibility: function(visible) {
       var elements = [this, this.authElement, this.imageElement,
                       this.signInElement, this.pinContainer];
 
       for (var idx = 0; idx < elements.length; idx++) {
         var currentElement = elements[idx];
         currentElement.classList.toggle('pin-enabled', visible);
         currentElement.classList.toggle('pin-disabled', !visible);
       }
     },
@@ skipping 1407 matching lines @@
     /**
      * Add an existing user pod to this pod row.
      * @param {!Object} user User info dictionary.
      */
     addUserPod: function(user) {
       var userPod = this.createUserPod(user);
       this.appendChild(userPod);
       userPod.initialize();
     },
 
+    setEnablePodTransitions: function(enable) {
+      for (var i = 0; i < this.pods.length; ++i)
+        this.pods[i].setEnableTransitions(enable);
+    },
+
     setFocusedPodPinVisibility: function(visible) {
       if (this.focusedPod_ && this.focusedPod_.user.showPin)
         this.focusedPod_.setPinVisibility(visible);
     },
 
     /**
      * Runs app with a given id from the list of loaded apps.
      * @param {!string} app_id of an app to run.
      * @param {boolean=} opt_diagnosticMode Whether to run the app in
      *     diagnostic mode. Default is false.
@@ skipping 909 matching lines @@
        if (pod && pod.multiProfilesPolicyApplied) {
          pod.userTypeBubbleElement.classList.remove('bubble-shown');
        }
      }
   };
 
   return {
     PodRow: PodRow
   };
 });