+ virtual void DidBecomeActive() OVERRIDE;
+ size_t did_become_active_call_count() {
+ return did_become_active_call_count_;
+ }
+
+ virtual bool HasValidTilePriorities() const OVERRIDE;
+ void set_has_valid_tile_priorities(bool has_valid_priorities) {
+ has_valid_tile_priorities_ = has_valid_priorities;
+ use_set_valid_tile_priorities_flag_ = true;
+ }
+