ConflictResolver: fix reversed should_success check

chrome/browser/sync_file_system/drive_backend/conflict_resolver.cc

Index: chrome/browser/sync_file_system/drive_backend/conflict_resolver.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/conflict_resolver.cc b/chrome/browser/sync_file_system/drive_backend/conflict_resolver.cc
index 29df92525d0c9581dada7c727acbbc25f873a030..e7e49658d0b880bc688fdc0d3d969bf9a0cb0807 100644
--- a/chrome/browser/sync_file_system/drive_backend/conflict_resolver.cc
+++ b/chrome/browser/sync_file_system/drive_backend/conflict_resolver.cc
@@ -61,7 +61,7 @@ void ConflictResolver::Run(const SyncStatusCallback& callback) {
       FileTracker parent_tracker;
       bool should_success = metadata_database()->FindTrackerByTrackerID(
           tracker.parent_tracker_id(), &parent_tracker);
-      if (should_success) {
+      if (!should_success) {
         NOTREACHED();
         callback.Run(SYNC_STATUS_FAILED);
         return;