IsActiveDisplay   416 ash/display/display_controller.cc   DCHECK(display_manager->IsActiveDisplay(new_primary_display));
IsActiveDisplay   419 ash/display/display_controller.cc       !display_manager->IsActiveDisplay(new_primary_display)) {
IsActiveDisplay   126 ash/display/display_manager.h   bool IsActiveDisplay(const gfx::Display& display) const;