num_draw_layers_ 2242 cc/trees/layer_tree_host_unittest.cc       : num_commit_complete_(0), num_draw_layers_(0) {}
num_draw_layers_ 2283 cc/trees/layer_tree_host_unittest.cc       : num_commit_complete_(0), num_draw_layers_(0) {}
num_draw_layers_  778 cc/trees/layer_tree_host_unittest_animation.cc         num_draw_layers_(0) {
num_draw_layers_  879 cc/trees/layer_tree_host_unittest_animation.cc       : num_animate_(0), num_draw_layers_(0) {}
num_draw_layers_  915 cc/trees/layer_tree_host_unittest_animation.cc       : num_animate_(0), num_draw_layers_(0) {}