--- a/cc/layers/picture_layer_impl.cc	2018-10-01 06:10:15.000000000 
-0400
+++ b/cc/layers/picture_layer_impl.cc.mew	2018-10-01 
18:43:30.527038321 -0400
@@ -738,7 +742,7 @@
           0,                                                   // left
           0,                                                   // top,
           0,                                                   // right,
-          std::ceilf(-total_controls_height * hidden_ratio));  // bottom
+          ceilf(-total_controls_height * hidden_ratio));  // bottom
     }
   }
 }