Remove unused *Error fields in MetadataItem.

ui/file_manager/file_manager/foreground/js/metadata/metadata_item.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.
 
 /**
  * @typedef {{
  *  scaleX: number,
  *  scaleY: number,
  *  rotate90: number
  * }}
  */
 var ImageTransformation;
 
 /**
- * Each property of MetadataItem has error property also.
+ * Metadata of a file.
  * @constructor
  * @struct
  */
 function MetadataItem() {
   /**
    * Size of the file. -1 for directory.
    * @public {number|undefined}
    */
   this.size;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.sizeError;
-
-  /**
    * @public {!Date|undefined}
    */
   this.modificationTime;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.modificationTimeError;
-
-  /**
    * Thumbnail URL obtained from external provider.
    * @public {string|undefined}
    */
   this.thumbnailUrl;
 
   /**
    * Cropped thumbnail URL obtained from external provider.
    * @public {string|undefined}
    */
   this.croppedThumbnailUrl;
 
   /**
    * @public {Error|undefined}
    */
   this.thumbnailUrlError;
 
   /**
    * @public {number|undefined}
    */
   this.imageWidth;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.imageWidthError;
-
-  /**
    * @public {number|undefined}
    */
   this.imageHeight;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.imageHeightError;
-
-  /**
    * @public {number|undefined}
    */
   this.imageRotation;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.imageRotationError;
-
-  /**
    * Thumbnail obtained from content provider.
    * @public {string|undefined}
    */
   this.contentThumbnailUrl;
 
   /**
    * @public {Error|undefined}
    */
   this.contentThumbnailUrlError;
 
@@ skipping 19 matching lines @@
    */
   this.contentImageTransformError;
 
   /**
    * Whether the entry is pinned for ensuring it is available offline.
    * @public {boolean|undefined}
    */
   this.pinned;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.pinnedError;
-
-  /**
    * Whether the entry is cached locally.
    * @public {boolean|undefined}
    */
   this.present;
 
   /**
    * @public {Error|undefined}
    */
   this.presentError;
 
   /**
    * Whether the entry is hosted document of google drive.
    * @public {boolean|undefined}
    */
   this.hosted;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.hostedError;
-
-  /**
    * Whether the entry is modified locally and not synched yet.
    * @public {boolean|undefined}
    */
   this.dirty;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.dirtyError;
-
-  /**
    * Whether the entry is present or hosted;
    * @public {boolean|undefined}
    */
   this.availableOffline;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.availableOfflineError;
-
-  /**
    * @public {boolean|undefined}
    */
   this.availableWhenMetered;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.availableWhenMeteredError;
-
-  /**
    * @public {string|undefined}
    */
   this.customIconUrl;
 
   /**
    * @public {Error|undefined}
    */
   this.customIconUrlError;
 
   /**
    * @public {string|undefined}
    */
   this.contentMimeType;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.contentMimeTypeError;
-
-  /**
    * Whether the entry is shared explicitly with me.
    * @public {boolean|undefined}
    */
   this.sharedWithMe;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.sharedWithMeError;
-
-  /**
    * Whether the entry is shared publicly.
    * @public {boolean|undefined}
    */
   this.shared;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.sharedError;
-
-  /**
    * URL for open a file in browser tab.
    * @public {string|undefined}
    */
   this.externalFileUrl;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.externalFileUrlError;
-
-  /**
    * @public {string|undefined}
    */
   this.mediaAlbum;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.mediaAlbumError;
-
-  /**
    * @public {string|undefined}
    */
   this.mediaTitle;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.mediaTitleError;
-
-  /**
    * @public {string|undefined}
    */
   this.mediaArtist;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.mediaArtistError;
-
-  /**
    * Mime type obtained by content provider based on URL.
    * TODO(hirono): Remove the mediaMimeType.
    * @public {string|undefined}
    */
   this.mediaMimeType;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.mediaMimeTypeError;
-
-  /**
    * "Image File Directory" obtained from EXIF header.
    * @public {!Object|undefined}
    */
   this.ifd;
 
   /**
-   * @public {Error|undefined}
-   */
-  this.ifdError;
-
-  /**
    * @public {boolean|undefined}
    */
   this.exifLittleEndian;
-
-  /**
-   * @public {Error|undefined}
-   */
-  this.exifLittleEndianError;
 }