[SyncFS] Add MetadataDatabase::PopulateInitialData

chrome/browser/sync_file_system/drive_backend/metadata_database.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 106 matching lines @@
       CreateCallback;
 
   // The entry point of the MetadataDatabase for production code.
   static void Create(base::SequencedTaskRunner* task_runner,
                      const base::FilePath& database_path,
                      const CreateCallback& callback);
   ~MetadataDatabase();
 
   int64 GetLargestChangeID() const;
 
+  bool HasSyncRoot() const;
+
+  // Populates empty database with initial data.
+  // Adds a file metadata and a file tracker for |sync_root_folder|, and adds
+  // file metadata and file trackers for each |app_root_folders|.
+  // Newly added tracker for |sync_root_folder| is active and non-dirty.
+  // Newly added trackers for |app_root_folders| are inactive and non-dirty.
+  // Trackers for |app_root_folders| are not yet registered as app-roots, but
+  // are ready to register.
+  void PopulateInitialData(
+      int64 largest_change_id,
+      const google_apis::FileResource& sync_root_folder,
+      const ScopedVector<google_apis::FileResource>& app_root_folders,
+      const SyncStatusCallback& callback);
+
   // Registers existing folder as the app-root for |app_id|.  The folder
   // must be an inactive folder that does not yet associated to any App.
   // This method associates the folder with |app_id| and activates it.
   void RegisterApp(const std::string& app_id,
                    const std::string& folder_id,
                    const SyncStatusCallback& callback);
 
   // Inactivates the folder associated to the app to disable |app_id|.
   // Does nothing if |app_id| is already disabled.
   void DisableApp(const std::string& app_id,
@@ skipping 175 matching lines @@
 
   base::WeakPtrFactory<MetadataDatabase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MetadataDatabase);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_H_