Fixed issue with pods flying when changing profiles.

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 0f854e0ba07a820dc14601dd4c059926d1345f2e..d51cab79f8a4d0ea8a7a0399476d6754e5fe880e 100644
--- a/ui/login/account_picker/user_pod_row.js
+++ b/ui/login/account_picker/user_pod_row.js
@@ -1124,6 +1124,10 @@ cr.define('login', function() {
       }
     },
 
+    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];
@@ -2551,6 +2555,11 @@ cr.define('login', function() {
       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);