GetEventTarget    263 ash/wm/overview/window_overview.cc   aura::Window* target = GetEventTarget(event);
GetEventTarget    287 ash/wm/overview/window_overview.cc   aura::Window* target = GetEventTarget(event);
GetEventTarget     70 ash/wm/overview/window_overview.h   aura::Window* GetEventTarget(ui::LocatedEvent* event);