Fix vk flashing after click the action box are element

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 d4fd53a524e08184975591c09a676f8f5b18ab97..0e85fcff4a3c6712cda07e27e9955778565686b2 100644
--- a/ui/login/account_picker/user_pod_row.js
+++ b/ui/login/account_picker/user_pod_row.js
@@ -2727,8 +2727,10 @@ cr.define('login', function() {
      * @param {UserPod=} podToFocus User pod to focus (undefined clears focus).
      * @param {boolean=} opt_force If true, forces focus update even when
      *     podToFocus is already focused.
+     * @param {boolean=} opt_prevent_focus_input If true, do not focus on input
+     *     box.
      */
-    focusPod: function(podToFocus, opt_force) {
+    focusPod: function(podToFocus, opt_force, opt_prevent_focus_input) {
       if (this.isFocused(podToFocus) && !opt_force) {
         // Calling focusPod w/o podToFocus means reset.
         if (!podToFocus)
@@ -2772,7 +2774,9 @@ cr.define('login', function() {
         podToFocus.classList.add('focused');
         if (!podToFocus.multiProfilesPolicyApplied) {
           podToFocus.classList.toggle('signing-in', false);
-          podToFocus.focusInput();
+          if (!opt_prevent_focus_input) {
+            podToFocus.focusInput();
+          }
         } else {
           podToFocus.userTypeBubbleElement.classList.add('bubble-shown');
           podToFocus.focus();
@@ -2997,7 +3001,11 @@ cr.define('login', function() {
         // Focus on a control of a pod but not on the action area button.
         if (!pod.classList.contains('focused') &&
             !e.target.classList.contains('action-box-button')) {
-          this.focusPod(pod);
+          if (e.target == pod.actionBoxAreaElement) {
+            this.focusPod(pod, false, true);
+          } else {
+            this.focusPod(pod);
+          }
           pod.userTypeBubbleElement.classList.remove('bubble-shown');
           e.target.focus();
         }