Have FindContainerScanResults() find broader media container directories

chrome/browser/media_galleries/media_scan_manager.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_SCAN_MANAGER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_SCAN_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 64 matching lines @@
       const extensions::Extension* extension,
       extensions::UnloadedExtensionInfo::Reason reason) OVERRIDE;
 
   bool ScanInProgress() const;
 
   void OnScanCompleted(
       bool success,
       const MediaFolderFinder::MediaFolderFinderResults& found_folders);
 
   void OnFoundContainerDirectories(
-      const MediaFolderFinder::MediaFolderFinderResults& found_folders,
       const MediaFolderFinder::MediaFolderFinderResults& container_folders);
 
   scoped_ptr<MediaFolderFinder> folder_finder_;
 
   base::Time scan_start_time_;
 
   // If not NULL, used to create |folder_finder_|. Used for testing.
   MediaFolderFinderFactory testing_folder_finder_factory_;
 
   // Set of extensions (on all profiles) that have an in-progress scan.
   ScanObserverMap observers_;
 
   ScopedObserver<extensions::ExtensionRegistry,
                  extensions::ExtensionRegistryObserver>
       scoped_extension_registry_observer_;
 
   base::WeakPtrFactory<MediaScanManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaScanManager);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_SCAN_MANAGER_H_