Fix vk flashing after click the action box are element

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 2709 matching lines @@
      */
     isFocused: function(pod) {
       return this.focusedPod_ == pod;
     },
 
     /**
      * Focuses a given user pod or clear focus when given null.
      * @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)
           Oobe.clearErrors();
         this.keyboardActivated_ = false;
         return;
       }
 
       // Make sure there's only one focusPod operation happening at a time.
       if (this.insideFocusPod_) {
@@ skipping 23 matching lines @@
       if (!this.isFocused(podToFocus))
         Oobe.clearErrors();
 
       var hadFocus = !!this.focusedPod_;
       this.focusedPod_ = podToFocus;
       if (podToFocus) {
         podToFocus.classList.remove('faded');
         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();
         }
 
         // focusPod() automatically loads wallpaper
         if (!podToFocus.user.isApp)
           chrome.send('focusPod', [podToFocus.user.username]);
         this.firstShown_ = false;
         this.lastFocusedPod_ = podToFocus;
@@ skipping 204 matching lines @@
         } else
           this.focusPod(e.target);
         return;
       }
 
       var pod = findAncestorByClass(e.target, 'pod');
       if (pod && pod.parentNode == this) {
         // 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();
         }
         return;
       }
 
       // Clears pod focus when we reach here. It means new focus is neither
       // on a pod nor on a button/input for a pod.
       // Do not "defocus" user pod when it is a single pod.
       // That means that 'focused' class will not be removed and
@@ skipping 138 matching lines @@
        if (pod && pod.multiProfilesPolicyApplied) {
          pod.userTypeBubbleElement.classList.remove('bubble-shown');
        }
      }
   };
 
   return {
     PodRow: PodRow
   };
 });