[SyncFS] Add MetadataDatabase::UpdateTracker

chrome/browser/sync_file_system/drive_backend/metadata_database.h

Index: chrome/browser/sync_file_system/drive_backend/metadata_database.h
diff --git a/chrome/browser/sync_file_system/drive_backend/metadata_database.h b/chrome/browser/sync_file_system/drive_backend/metadata_database.h
index 8b02892f5eb91051e8e95dee5c45564106a16575..e556dbc6f3e473004ced802dcabf448502db89de 100644
--- a/chrome/browser/sync_file_system/drive_backend/metadata_database.h
+++ b/chrome/browser/sync_file_system/drive_backend/metadata_database.h
@@ -194,6 +194,11 @@ class MetadataDatabase {
                       const FileIDList& child_file_ids,
                       const SyncStatusCallback& callback);
 
+  // Update |synced_details| of the tracker to |updated_details|.

[kinuko, 2013/08/27 07:47:05]

nit: to -> with

[tzik, 2013/08/30 05:51:57]

Done.

+  void UpdateTracker(int64 tracker_id,
+                     const FileDetails& updated_details,
+                     const SyncStatusCallback& callback);
+
  private:
   struct DirtyTrackerComparator {
     bool operator()(const FileTracker* left,
@@ -232,8 +237,12 @@ class MetadataDatabase {
   void CreateTrackerForParentAndFileID(const FileTracker& parent_tracker,
                                        const std::string& file_id,
                                        leveldb::WriteBatch* batch);
+  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 ignore_name_conflicted_trackers);
   void MaybeAddTrackersForNewFile(const FileMetadata& file,
                                   leveldb::WriteBatch* batch);
 
@@ -255,8 +264,18 @@ class MetadataDatabase {
 
   void RecursiveMarkTrackerAsDirty(int64 root_tracker_id,
                                    leveldb::WriteBatch* batch);
+  bool CanActivateTracker(const FileTracker& tracker);
   bool ShouldKeepDirty(const FileTracker& tracker) const;
 
+  bool HasDisabledAppRoot(const FileTracker& tracker) const;
+  bool HasActiveTrackerForFileID(const std::string& file_id) const;
+  bool HasActiveTrackerForPath(int64 parent_tracker,
+                               const std::string& title) const;
+
+  void UpdateTrackerTitle(FileTracker* tracker,
+                          const std::string& new_title,
+                          leveldb::WriteBatch* batch);
+
   void WriteToDatabase(scoped_ptr<leveldb::WriteBatch> batch,
                        const SyncStatusCallback& callback);