Remove single direction conflict set code

chrome/browser/sync/sessions/status_controller.h

Index: chrome/browser/sync/sessions/status_controller.h
diff --git a/chrome/browser/sync/sessions/status_controller.h b/chrome/browser/sync/sessions/status_controller.h
index 5e397e1d97a405e2763051a32678e7fbc6e32c03..b072577254a5627a2dad08e45aa229527eca208f 100644
--- a/chrome/browser/sync/sessions/status_controller.h
+++ b/chrome/browser/sync/sessions/status_controller.h
@@ -138,9 +138,6 @@ class StatusController {
   }
 
   // Control parameters for sync cycles.
-  bool conflict_sets_built() const {
-    return shared_.control_params.conflict_sets_built;
-  }
   bool conflicts_resolved() const {
     return shared_.control_params.conflicts_resolved;
   }
@@ -232,7 +229,6 @@ class StatusController {
   void set_last_process_commit_response_result(const SyncerError result);
 
   void set_commit_set(const OrderedCommitSet& commit_set);
-  void update_conflict_sets_built(bool built);
   void update_conflicts_resolved(bool resolved);
   void reset_conflicts_resolved();
   void set_items_committed();