Remove unused chrome.screenlockPrivate methods

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 286 matching lines @@
 
     /**
      * Getter for the icon element's div.
      * @return {HTMLDivElement}
      */
     get iconElement() {
       return this.querySelector('.custom-icon');
     },
 
     /**
-     * Set the icon's background image as image set with different
-     * representations for available screen scale factors.
-     * @param {!{scale1x: string, scale2x: string}} icon The icon
-     *     representations.
-     */
-    setIconAsImageSet: function(icon) {
-      this.iconElement.style.backgroundImage =
-          '-webkit-image-set(' +
-              'url(' + icon.scale1x + ') 1x,' +
-              'url(' + icon.scale2x + ') 2x)';
-    },
-
-    /**
      * Sets the icon background image to a chrome://theme URL.
      * @param {!string} iconUrl The icon's background image URL.
      */
     setIconAsResourceUrl: function(iconUrl) {
       this.iconElement.style.backgroundImage =
           '-webkit-image-set(' +
               'url(' + iconUrl + '@1x) 1x,' +
               'url(' + iconUrl + '@2x) 2x)';
     },
 
@@ skipping 1973 matching lines @@
      *     The icon parameters.
      */
     showUserPodCustomIcon: function(username, icon) {
       var pod = this.getPodWithUsername_(username);
       if (pod == null) {
         console.error('Unable to show user pod button for ' + username +
                       ': user pod not found.');
         return;
       }
 
-      if (icon.resourceUrl) {
-        pod.customIconElement.setIconAsResourceUrl(icon.resourceUrl);
-      } else if (icon.data) {
-        pod.customIconElement.setIconAsImageSet(icon.data);
-      } else {
+      if (!icon.resourceUrl)
         return;
-      }
 
+      pod.customIconElement.setIconAsResourceUrl(icon.resourceUrl);
       pod.customIconElement.setSize(icon.size || {width: 0, height: 0});
       pod.customIconElement.setAnimation(icon.animation || null);
       pod.customIconElement.setOpacity(icon.opacity || 100);
       if (icon.hardlockOnClick) {
         pod.customIconElement.setInteractive(
             this.hardlockUserPod_.bind(this, username));
       } else {
         pod.customIconElement.setInteractive(null);
       }
       pod.customIconElement.show();
@@ skipping 671 matching lines @@
        if (pod && pod.multiProfilesPolicyApplied) {
          pod.userTypeBubbleElement.classList.remove('bubble-shown');
        }
      }
   };
 
   return {
     PodRow: PodRow
   };
 });