AddOpacityTransition  254 cc/test/animation_test_common.cc   return AddOpacityTransition(controller,
AddOpacityTransition  284 cc/test/animation_test_common.cc   return AddOpacityTransition(layer,
AddOpacityTransition  296 cc/test/animation_test_common.cc   return AddOpacityTransition(layer->layer_animation_controller(),