[SyncFS] Implement non-conflict local folder addition.

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 250 matching lines @@
   // Assigns the dirty tracker if exists and |tracker| is non-NULL.
   bool GetNormalPriorityDirtyTracker(FileTracker* tracker) const;
 
   // Returns true if there is a low priority dirty tracker.
   // Assigns the dirty tracker if exists and |tracker| is non-NULL.
   bool GetLowPriorityDirtyTracker(FileTracker* tracker) const;
 
   // Sets |app_ids| to a list of all registered app ids.
   void GetRegisteredAppIDs(std::vector<std::string>* app_ids);
 
+  // Marks |tracker_id| dirty.
+  void MarkTrackerDirty(int64 tracker_id,
+                        const SyncStatusCallback& callback);
+
  private:
   friend class ListChangesTaskTest;
   friend class MetadataDatabaseTest;
   friend class RegisterAppTaskTest;
   friend class SyncEngineInitializerTest;
 
   struct DirtyTrackerComparator {
     bool operator()(const FileTracker* left,
                     const FileTracker* right) const;
   };
@@ skipping 33 matching lines @@
 
   void RemoveTracker(int64 tracker_id, leveldb::WriteBatch* batch);
   void RemoveTrackerIgnoringSiblings(int64 tracker_id,
                                      leveldb::WriteBatch* batch);
   void RemoveTrackerInternal(int64 tracker_id,
                              leveldb::WriteBatch* batch,
                              bool ignoring_siblings);
   void MaybeAddTrackersForNewFile(const FileMetadata& file,
                                   leveldb::WriteBatch* batch);
 
+  void MarkSingleTrackerDirty(FileTracker* tracker,
+                              leveldb::WriteBatch* batch);
   void MarkTrackerSetDirty(TrackerSet* trackers,
                            leveldb::WriteBatch* batch);
   void MarkTrackersDirtyByFileID(const std::string& file_id,
                                  leveldb::WriteBatch* batch);
   void MarkTrackersDirtyByPath(int64 parent_tracker_id,
                                const std::string& title,
                                leveldb::WriteBatch* batch);
 
   void EraseTrackerFromFileIDIndex(FileTracker* tracker,
                                    leveldb::WriteBatch* batch);
@@ skipping 51 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_