Window ownership -> WindowTreeHost

ui/views/widget/desktop_aura/desktop_screen_x11.cc

Index: ui/views/widget/desktop_aura/desktop_screen_x11.cc
diff --git a/ui/views/widget/desktop_aura/desktop_screen_x11.cc b/ui/views/widget/desktop_aura/desktop_screen_x11.cc
index a72b50380bdd73aba53ce2d2786f3a58db127f03..c47a2d275c5f283f8b989d5138429823ab65db3e 100644
--- a/ui/views/widget/desktop_aura/desktop_screen_x11.cc
+++ b/ui/views/widget/desktop_aura/desktop_screen_x11.cc
@@ -249,10 +249,10 @@ gfx::Display DesktopScreenX11::GetDisplayNearestWindow(
   // created before we create the aura::WindowEventDispatcher. So we ask what
   // the DRWHX11 believes the window bounds are instead of going through the
   // aura::Window's screen bounds.
-  aura::WindowEventDispatcher* dispatcher = window->GetDispatcher();
-  if (dispatcher) {
+  aura::WindowTreeHost* host = window->GetHost();
+  if (host) {
     DesktopWindowTreeHostX11* rwh = DesktopWindowTreeHostX11::GetHostForXID(
-        dispatcher->host()->GetAcceleratedWidget());
+        host->GetAcceleratedWidget());
     if (rwh)
       return GetDisplayMatching(rwh->GetX11RootWindowBounds());
   }