Remember and restore the account last used destination is registered for.

chrome/browser/resources/print_preview/search/destination_search.js

 // Copyright (c) 2012 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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Component used for searching for a print destination.
    * This is a modal dialog that allows the user to search and select a
@@ skipping 129 matching lines @@
         setTimeout(function(element) {
           element.classList.remove('transparent');
         }.bind(this, this.getElement()), 0);
         this.searchBox_.focus();
         var promoEl = this.getChildElement('.cloudprint-promo');
         if (getIsVisible(promoEl)) {
           this.metrics_.incrementDestinationSearchBucket(
               print_preview.Metrics.DestinationSearchBucket.
                   CLOUDPRINT_PROMO_SHOWN);
         }
+        if (this.userInfo_.initialized) {
+          this.onUsersChanged_();
+        }
         this.reflowLists_();
       } else {
         this.getElement().classList.add('transparent');
         // Collapse all destination lists
         this.localList_.setIsShowAll(false);
         this.cloudList_.setIsShowAll(false);
         this.searchBox_.setQuery('');
         this.filterLists_(null);
       }
     },
@@ skipping 57 matching lines @@
           this.destinationStore_,
           print_preview.DestinationStore.EventType.DESTINATION_SELECT,
           this.onDestinationStoreSelect_.bind(this));
       this.tracker.add(
           this.destinationStore_,
           print_preview.DestinationStore.EventType.DESTINATION_SEARCH_STARTED,
           this.updateThrobbers_.bind(this));
       this.tracker.add(
           this.destinationStore_,
           print_preview.DestinationStore.EventType.DESTINATION_SEARCH_DONE,
-          this.updateThrobbers_.bind(this));
+          this.onDestinationSearchDone_.bind(this));
 
       this.tracker.add(
           this.localList_,
           print_preview.DestinationList.EventType.ACTION_LINK_ACTIVATED,
           this.onManageLocalDestinationsActivated_.bind(this));
       this.tracker.add(
           this.cloudList_,
           print_preview.DestinationList.EventType.ACTION_LINK_ACTIVATED,
           this.onManageCloudDestinationsActivated_.bind(this));
 
@@ skipping 67 matching lines @@
     /**
      * Renders all of the destinations in the destination store.
      * @private
      */
     renderDestinations_: function() {
       var recentDestinations = [];
       var localDestinations = [];
       var cloudDestinations = [];
       var unregisteredCloudDestinations = [];
 
-      this.destinationStore_.destinations.forEach(function(destination) {
+      var destinations =
+          this.destinationStore_.destinations(this.userInfo_.activeUser);
+      destinations.forEach(function(destination) {
         if (destination.isRecent) {
           recentDestinations.push(destination);
         }
         if (destination.isLocal ||
             destination.origin == print_preview.Destination.Origin.DEVICE) {
           localDestinations.push(destination);
         } else {
           if (destination.connectionStatus ==
                 print_preview.Destination.ConnectionStatus.UNREGISTERED) {
             unregisteredCloudDestinations.push(destination);
@@ skipping 75 matching lines @@
       this.localList_.setIsThrobberVisible(
           this.destinationStore_.isLocalDestinationSearchInProgress);
       this.cloudList_.setIsThrobberVisible(
           this.destinationStore_.isCloudDestinationSearchInProgress);
       this.recentList_.setIsThrobberVisible(
           this.destinationStore_.isLocalDestinationSearchInProgress &&
           this.destinationStore_.isCloudDestinationSearchInProgress);
       this.reflowLists_();
     },
 
-
     /**
-     * Updates the account selection UI.
-     * @param {string} email Email of the logged in user.
-     * @param {!Array.<string>} accounts List of logged in user accounts.
+     * Called when user's logged in accounts change. Updates the UI.
+     * @private
      */
-    setAccounts_: function(email, accounts) {
-      var loggedIn = !!email;
+    onUsersChanged_: function() {
+      var loggedIn = this.userInfo_.loggedIn;
       if (loggedIn) {
         var accountSelectEl = this.getChildElement('.account-select');
         accountSelectEl.innerHTML = '';
-        accounts.forEach(function(account) {
+        this.userInfo_.users.forEach(function(account) {
           var option = document.createElement('option');
           option.text = account;
           option.value = account;
           accountSelectEl.add(option);
         });
         var option = document.createElement('option');
         option.text = localStrings.getString('addAccountTitle');
         option.value = '';
         accountSelectEl.add(option);
 
-        accountSelectEl.selectedIndex = accounts.indexOf(email);
+        accountSelectEl.selectedIndex =
+            this.userInfo_.users.indexOf(this.userInfo_.activeUser);
       }
 
       setIsVisible(this.getChildElement('.user-info'), loggedIn);
       setIsVisible(this.getChildElement('.cloud-list'), loggedIn);
       setIsVisible(this.getChildElement('.cloudprint-promo'), !loggedIn);
       this.reflowLists_();
     },
 
     /**
      * Called when a destination search should be executed. Filters the
@@ skipping 29 matching lines @@
       this.metrics_.incrementDestinationSearchBucket(
           print_preview.Metrics.DestinationSearchBucket.DESTINATION_SELECTED);
     },
 
     /**
      * Called when a destination is selected. Selected destination are marked as
      * recent, so we have to update our recent destinations list.
      * @private
      */
     onDestinationStoreSelect_: function() {
-      var destinations = this.destinationStore_.destinations;
+      var destinations =
+          this.destinationStore_.destinations(this.userInfo_.activeUser);
       var recentDestinations = [];
       destinations.forEach(function(destination) {
         if (destination.isRecent) {
           recentDestinations.push(destination);
         }
       });
       this.recentList_.updateDestinations(recentDestinations);
       this.reflowLists_();
     },
 
     /**
      * Called when destinations are inserted into the store. Rerenders
      * destinations.
      * @private
      */
     onDestinationsInserted_: function() {
       this.renderDestinations_();
       this.reflowLists_();
     },
 
     /**
+     * Called when destinations are inserted into the store. Rerenders
+     * destinations.
+     * @private
+     */
+    onDestinationSearchDone_: function() {
+      this.updateThrobbers_();
+      this.renderDestinations_();
+      this.reflowLists_();
+    },
+
+    /**
      * Called when the manage cloud printers action is activated.
      * @private
      */
     onManageCloudDestinationsActivated_: function() {
       cr.dispatchSimpleEvent(
           this,
           print_preview.DestinationSearch.EventType.MANAGE_CLOUD_DESTINATIONS);
     },
 
     /**
@@ skipping 21 matching lines @@
      * Called when item in the Accounts list is selected. Initiates active user
      * switch or, for 'Add account...' item, opens Google sign-in page.
      * @private
      */
     onAccountChange_: function() {
       var accountSelectEl = this.getChildElement('.account-select');
       var account =
           accountSelectEl.options[accountSelectEl.selectedIndex].value;
       if (account) {
         this.userInfo_.activeUser = account;
+        this.destinationStore_.reloadUserCookieBasedDestinations();
       } else {
         cr.dispatchSimpleEvent(this, DestinationSearch.EventType.ADD_ACCOUNT);
         // Set selection back to the active user.
         for (var i = 0; i < accountSelectEl.options.length; i++) {
           if (accountSelectEl.options[i].value == this.userInfo_.activeUser) {
             accountSelectEl.selectedIndex = i;
             break;
           }
         }
       }
@@ skipping 21 matching lines @@
 
     /**
      * Called when an animation ends on the page.
      * @private
      */
     onAnimationEnd_: function() {
       this.getChildElement('.page').classList.remove('pulse');
     },
 
     /**
-     * Called when user's logged in accounts change. Updates the UI.
-     * @private
-     */
-    onUsersChanged_: function() {
-      this.setAccounts_(this.userInfo_.activeUser, this.userInfo_.users);
-    },
-
-    /**
      * Called when the window is resized. Reflows layout of destination lists.
      * @private
      */
     onWindowResize_: function() {
       this.reflowLists_();
     }
   };
 
   // Export
   return {
     DestinationSearch: DestinationSearch
   };
 });