Reland of r266437: [Files.app] Use getDriveEntryProperties() to retrieve metadata

chrome/common/extensions/api/file_browser_private.idl

 // Copyright 2013 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.
 
 // fileBrowserPrivate API.
 // This is a private API used by the file browser of ChromeOS.
 [platforms=("chromeos"),
  implemented_in="chrome/browser/chromeos/extensions/file_manager/file_browser_private_api_functions.h"]
 namespace fileBrowserPrivate {
 // Type of the mounted volume.
@@ skipping 144 matching lines @@
 
   // Task icon url (from chrome://extension-icon/...)
   DOMString iconUrl;
 
   // True if this task is a default task for the selected files.
   boolean isDefault;
 };
 
 // Drive file properties.
 dictionary DriveEntryProperties {
+  // Size of this file.
+  double? fileSize;
+
+  // Timestamp of entry update time, in milliseconds past the epoch.
+  double? lastModifiedTime;
+
   // URL to the Drive thumbnail image for this file.
   DOMString? thumbnailUrl;
 
   // Width, if the entry is an image.
   long? imageWidth;
 
   // Height, if the entry is an image.
   long? imageHeight;
 
   // Rotation in clockwise degrees, if the entry is an image.
@@ skipping 581 matching lines @@
   static void onDriveSyncError(DriveSyncErrorEvent event);
 
   // Dispatched when a profile is added.
   static void onProfileAdded();
 
   // Dispatched when any window moves another desktop.
   // TODO(hirono): Add information which window is moved.
   static void onDesktopChanged();
 };
 };