Delete images in Photo Editor

chrome/browser/resources/file_manager/js/mock_chrome.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.
 
 function MockEventSource() {
   this.listeners_ = [];
 }
 
 /**
  * Add a listener.
@@ skipping 520 matching lines @@
       GALLERY_IMAGE_ERROR: 'This file could not be displayed',
       GALLERY_VIDEO_ERROR: 'This file could not be played',
 
       GALLERY_ITEMS_SELECTED: '$1 items selected',
       GALLERY_NO_IMAGES: 'No images in this directory.',
       GALLERY_MOSAIC: 'Mosaic view',
       GALLERY_SLIDE: 'Slide view',
       GALLERY_SLIDESHOW: 'Slide show',
       GALLERY_DELETE: 'Delete',
 
+      GALLERY_OK_LABEL: 'OK',
+      GALLERY_CANCEL_LABEL: 'Cancel',
+      GALLERY_CONFIRM_DELETE_ONE: 'Are you sure you want to delete "$1"?',
+      GALLERY_CONFIRM_DELETE_SOME: 'Are you sure you want to delete $1 items?',
+
       AUDIO_ERROR: 'This file could not be played',
 
       CONFIRM_OVERWRITE_FILE: 'A file named "$1" already exists. Do you want to replace it?',
       FILE_ALREADY_EXISTS: 'The file named "$1" already exists. Please choose a different name.',
       DIRECTORY_ALREADY_EXISTS: 'The folder named "$1" already exists. Please choose a different name.',
       ERROR_RENAMING: 'Unable to rename "$1". $2',
       RENAME_PROMPT: 'Enter a new name',
       RENAME_BUTTON_LABEL: 'Rename',
 
       ERROR_DELETING: 'Unable to delete "$1". $2',
@@ skipping 289 matching lines @@
 
   setWindowHeight: function(height) {
     this.popup_.style.height = height + 'px';
   },
 
   closeWindow: function() {
     this.popup_.parentNode.removeChild(this.popup_);
     this.popup_ = null;
   }
 };