Files.app: Remove scanning notification.

chrome/common/extensions/api/file_manager_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.
 
 // fileManagerPrivate API.
 // This is a private API used by the file browser of ChromeOS.
 [platforms=("chromeos"),
  implemented_in="chrome/browser/chromeos/extensions/file_manager/file_manager_private_api_functions.h"]
 namespace fileManagerPrivate {
 // Type of the mounted volume.
@@ skipping 80 matching lines @@
   // Open inspector for foreground page and bring focus to the console.
   console,
   // Open inspector for foreground page in inspect element mode.
   element,
   // Open inspector for background page.
   background
 };
 
 // Device event type.
 enum DeviceEventType {
-  // Device scan is started.
-  scan_started,
-  // Device scan is cancelled.
-  scan_cancelled,
   // If the device is disabled by preference.
   disabled,
   // Device is removed.
   removed,
   // Device is hard unplugged.
   hard_unplugged,
   // Format started.
   format_start,
   // Format succeeded.
   format_success,
@@ skipping 701 matching lines @@
 
   static void onPreferencesChanged();
 
   static void onDriveConnectionStatusChanged();
 
   static void onDeviceChanged(DeviceEvent event);
 
   static void onDriveSyncError(DriveSyncErrorEvent event);
 };
 };