Revert 150436 - gdata: Remove hide_hosted_documents from ReadDirectoryCallback

chrome/browser/chromeos/gdata/gdata_file_system.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 582 matching lines @@
   // |has_enough_space|.
   void StartDownloadFileIfEnoughSpace(const GetFileFromCacheParams& params,
                                       const GURL& content_url,
                                       const FilePath& cache_file_path,
                                       bool* has_enough_space);
 
   // Helper function used to perform synchronous file search on UI thread.
   void FindEntryByPathSyncOnUIThread(const FilePath& search_file_path,
                                      const FindEntryCallback& callback);
 
+  // Changes state of hosted documents visibility, triggers directory refresh.
+  void SetHideHostedDocuments(bool hide);
+
   // Initializes preference change observer.
   void InitializePreferenceObserver();
 
   // Called when an entry is found for GetEntryInfoByPath().
   void OnGetEntryInfo(const GetEntryInfoCallback& callback,
                       GDataFileError error,
                       GDataEntry* entry);
 
   // Called when an entry is found for ReadDirectoryByPath().
   void OnReadDirectory(const ReadDirectoryCallback& callback,
@@ skipping 174 matching lines @@
 
   // The document service owned by GDataSystemService.
   DocumentsServiceInterface* documents_service_;
 
   // The webapps registry owned by GDataSystemService.
   DriveWebAppsRegistryInterface* webapps_registry_;
 
   // Periodic timer for checking updates.
   base::Timer update_timer_;
 
+  // True if hosted documents should be hidden.
+  bool hide_hosted_docs_;
+
   // The set of paths opened by OpenFile but not yet closed by CloseFile.
   std::set<FilePath> open_files_;
 
   scoped_ptr<PrefChangeRegistrar> pref_registrar_;
 
   // The loader is used to load the feeds.
   scoped_ptr<GDataWapiFeedLoader> feed_loader_;
 
   ObserverList<GDataFileSystemInterface::Observer> observers_;
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 
   // WeakPtrFactory and WeakPtr bound to the UI thread.
   // Note: These should remain the last member so they'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<GDataFileSystem> ui_weak_ptr_factory_;
   // Unlike other classes, we need this as we need this to redirect a task
   // from IO thread to UI thread.
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_