1 files changed, 6 insertions, 3 deletions
diff --git a/absl/time/internal/cctz/src/time_zone_if.h b/absl/time/internal/cctz/src/time_zone_if.h
index 7d3e42d3..bec9beb5 100644
--- a/absl/time/internal/cctz/src/time_zone_if.h
+++ b/absl/time/internal/cctz/src/time_zone_if.h
@@ -33,8 +33,9 @@ namespace cctz {
 // Subclasses implement the functions for civil-time conversions in the zone.
 class TimeZoneIf {
  public:
-  // A factory function for TimeZoneIf implementations.
-  static std::unique_ptr<TimeZoneIf> Load(const std::string& name);
+  // Factory functions for TimeZoneIf implementations.
+  static std::unique_ptr<TimeZoneIf> UTC();  // never fails
+  static std::unique_ptr<TimeZoneIf> Make(const std::string& name);
 
   virtual ~TimeZoneIf();
 
@@ -51,7 +52,9 @@ class TimeZoneIf {
   virtual std::string Description() const = 0;
 
  protected:
-  TimeZoneIf() {}
+  TimeZoneIf() = default;
+  TimeZoneIf(const TimeZoneIf&) = delete;
+  TimeZoneIf& operator=(const TimeZoneIf&) = delete;
 };
 
 // Convert between time_point<seconds> and a count of seconds since the