mouse_move_distance_to_trigger_animation_  119 cc/animation/scrollbar_animation_controller_thinning.cc       distance < mouse_move_distance_to_trigger_animation_;
mouse_move_distance_to_trigger_animation_   30 cc/animation/scrollbar_animation_controller_thinning.h     mouse_move_distance_to_trigger_animation_ = distance;
mouse_move_distance_to_trigger_animation_   86 cc/animation/scrollbar_animation_controller_thinning.h   float mouse_move_distance_to_trigger_animation_;