Media Galleries Partial Deprecation: Remove scan functionality.

chrome/browser/media_galleries/media_file_system_registry.cc

 // 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.
 
 #include "chrome/browser/media_galleries/media_file_system_registry.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/stl_util.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 #include "chrome/browser/media_galleries/fileapi/mtp_device_map_service.h"
 #include "chrome/browser/media_galleries/gallery_watch_manager.h"
 #include "chrome/browser/media_galleries/imported_media_gallery_registry.h"
 #include "chrome/browser/media_galleries/media_file_system_context.h"
 #include "chrome/browser/media_galleries/media_galleries_dialog_controller.h"
 #include "chrome/browser/media_galleries/media_galleries_histograms.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences_factory.h"
-#include "chrome/browser/media_galleries/media_scan_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.h"
 #include "components/prefs/pref_service.h"
 #include "components/storage_monitor/media_storage_util.h"
 #include "components/storage_monitor/storage_monitor.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 552 matching lines @@
     profile_subscription_map_[profile] =
         ShutdownNotifierFactory::GetInstance()->Get(profile)->Subscribe(
             base::Bind(&MediaFileSystemRegistry::OnProfileShutdown,
                        base::Unretained(this), profile));
     media_galleries::UsageCount(media_galleries::PROFILES_WITH_USAGE);
   }
 
   return MediaGalleriesPreferencesFactory::GetForProfile(profile);
 }
 
-MediaScanManager* MediaFileSystemRegistry::media_scan_manager() {
-  if (!media_scan_manager_)
-    media_scan_manager_.reset(new MediaScanManager);
-  return media_scan_manager_.get();
-}
-
 GalleryWatchManager* MediaFileSystemRegistry::gallery_watch_manager() {
   if (!gallery_watch_manager_)
     gallery_watch_manager_.reset(new GalleryWatchManager);
   return gallery_watch_manager_.get();
 }
 
 void MediaFileSystemRegistry::OnRemovableStorageDetached(
     const StorageInfo& info) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
@@ skipping 267 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   auto extension_hosts_it = extension_hosts_map_.find(profile);
   DCHECK(extension_hosts_it != extension_hosts_map_.end());
   extension_hosts_map_.erase(extension_hosts_it);
 
   auto profile_subscription_it = profile_subscription_map_.find(profile);
   DCHECK(profile_subscription_it != profile_subscription_map_.end());
   profile_subscription_map_.erase(profile_subscription_it);
 }