MD Settings People: Fix ChromeOS Change Picture arrow keys

chrome/browser/resources/settings/people_page/change_picture.js

 // Copyright 2015 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.
 
 /**
  * Contains the possible types of Change Picture selections.
  * @enum {string}
  */
 var ChangePictureSelectionTypes = {
   CAMERA: 'camera',
@@ skipping 264 matching lines @@
     var /** IronSelectorElement */ selector = this.$.selector;
     switch (e.detail.key) {
       case 'up':
       case 'left':
         // This loop always terminates because the file and profile icons are
         // never hidden.
         do {
           selector.selectPrevious();
         } while (this.selectedItem_.hidden);
 
+        if (this.selectedItem_.dataset.type != ChangePictureSelectionTypes.FILE)
+          this.selectImage_(this.selectedItem_);
+
         this.lastSelectedImageType_ = this.selectedItem_.dataset.type;
         e.detail.keyboardEvent.preventDefault();
         break;
 
       case 'down':
       case 'right':
         // This loop always terminates because the file and profile icons are
         // never hidden.
         do {
           selector.selectNext();
         } while (this.selectedItem_.hidden);
 
+        if (this.selectedItem_.dataset.type != ChangePictureSelectionTypes.FILE)
+          this.selectImage_(this.selectedItem_);
+
         this.lastSelectedImageType_ = this.selectedItem_.dataset.type;
         e.detail.keyboardEvent.preventDefault();
         break;
 
       case 'enter':
       case 'space':
         if (this.selectedItem_.dataset.type ==
             ChangePictureSelectionTypes.CAMERA) {
           var /** SettingsCameraElement */ camera = this.$.camera;
           camera.takePhoto();
@@ skipping 131 matching lines @@
    */
   getAuthorWebsite_: function(selectedItem, defaultImages) {
     if (!this.isAuthorCreditShown_(selectedItem))
       return '';
 
     assert(selectedItem.dataset.defaultImageIndex !== null &&
            selectedItem.dataset.defaultImageIndex < defaultImages.length);
     return defaultImages[selectedItem.dataset.defaultImageIndex].website;
   },
 });