Index: chrome/browser/sync_file_system/drive_backend/tracker_id_set.cc |
diff --git a/chrome/browser/sync_file_system/drive_backend/tracker_id_set.cc b/chrome/browser/sync_file_system/drive_backend/tracker_id_set.cc |
index 0bb272d6803a6733f0280e7156e8f9a5014a758b..53ea1c90b11ca8cb394e381bde93e52a1563fef6 100644 |
--- a/chrome/browser/sync_file_system/drive_backend/tracker_id_set.cc |
+++ b/chrome/browser/sync_file_system/drive_backend/tracker_id_set.cc |
@@ -13,6 +13,8 @@ namespace drive_backend { |
TrackerIDSet::TrackerIDSet() : active_tracker_(0) {} |
+TrackerIDSet::TrackerIDSet(const TrackerIDSet& other) = default; |
+ |
TrackerIDSet::~TrackerIDSet() {} |
void TrackerIDSet::Insert(const FileTracker& tracker) { |