Fix mistmached |GetDisplayNearest{Window,View}| param type

ash/mus/screen_mus.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/mus/screen_mus.h"
 
 #include "ash/common/wm/root_window_finder.h"
 #include "ash/common/wm_window.h"
 #include "services/ui/public/interfaces/display/display_controller.mojom.h"
 #include "ui/aura/client/screen_position_client.h"
@@ skipping 21 matching lines @@
     return;
 
   display_list().UpdateDisplay(new_display);
   if (display_controller_) {
     display_controller_->SetDisplayWorkArea(
         new_display.id(), new_display.bounds().size(), insets);
   }
 }
 
 display::Display ScreenMus::GetDisplayNearestWindow(
-    aura::Window* window) const {
+    gfx::NativeWindow window) const {
   const aura::WindowTreeHost* host = window->GetHost();
   if (!host)
     return GetPrimaryDisplay();
   auto iter = display_list().FindDisplayById(
       static_cast<const aura::WindowTreeHostMus*>(host)->display_id());
   return iter == display_list().displays().end() ? GetPrimaryDisplay() : *iter;
 }
 
 gfx::Point ScreenMus::GetCursorScreenPoint() {
   return aura::Env::GetInstance()->last_mouse_location();
@@ skipping 10 matching lines @@
       aura::client::GetScreenPositionClient(root_window);
 
   gfx::Point local_point = point;
   if (position_client)
     position_client->ConvertPointFromScreen(root_window, &local_point);
 
   return root_window->GetEventHandlerForPoint(local_point);
 }
 
 }  // namespace ash