--- a/cc/input/snap_selection_strategy.h	2018-10-27 
06:12:51.000000000 -0400
+++ b/cc/input/snap_selection_strategy.h.new	2018-10-27 
19:50:12.302499934 -0400
@@ -6,6 +6,9 @@
 #define CC_INPUT_SNAP_SELECTION_STRATEGY_H_
 
 #include "scroll_snap_data.h"
+#include <iostream>
+#include <memory>
+
 
 namespace cc {