DemoteDirtyTracker 1335 chrome/browser/sync_file_system/drive_backend/metadata_database.cc   index_->DemoteDirtyTracker(tracker_id);
DemoteDirtyTracker  114 chrome/browser/sync_file_system/drive_backend/metadata_database_index.h   void DemoteDirtyTracker(int64 tracker_id);
DemoteDirtyTracker  167 chrome/browser/sync_file_system/drive_backend/metadata_database_index_unittest.cc   index.DemoteDirtyTracker(kPlaceholderTrackerID);