StartPartialFadeAnimation  588 ash/wm/session_state_animator.cc       StartPartialFadeAnimation(
StartPartialFadeAnimation  592 ash/wm/session_state_animator.cc       StartPartialFadeAnimation(window, 0.0, duration, observer);
StartPartialFadeAnimation  595 ash/wm/session_state_animator.cc       StartPartialFadeAnimation(window, 1.0, duration, observer);