vertical_step_count_  534 cc/base/tiling_data.cc   vertical_step_count_ = around_bottom - around_top + 1;
vertical_step_count_  648 cc/base/tiling_data.cc     ++vertical_step_count_;
vertical_step_count_  159 cc/base/tiling_data.h       return (direction_ == UP || direction_ == DOWN) ? vertical_step_count_
vertical_step_count_  182 cc/base/tiling_data.h     int vertical_step_count_;