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

ash/system/chromeos/rotation/tray_rotation_lock.cc

Index: ash/system/chromeos/rotation/tray_rotation_lock.cc
diff --git a/ash/system/chromeos/rotation/tray_rotation_lock.cc b/ash/system/chromeos/rotation/tray_rotation_lock.cc
index 9b1ba257c53890b5c555baadcab43412c21fce5b..58edb6979e9d1e48b071fb2478e0a4aaeeab1cb0 100644
--- a/ash/system/chromeos/rotation/tray_rotation_lock.cc
+++ b/ash/system/chromeos/rotation/tray_rotation_lock.cc
@@ -203,9 +203,9 @@ bool TrayRotationLock::ShouldBeVisible() {
 }
 
 bool TrayRotationLock::OnPrimaryDisplay() const {
-  gfx::NativeView native_view = system_tray()->GetWidget()->GetNativeView();
+  gfx::NativeView native_window = system_tray()->GetWidget()->GetNativeWindow();
   display::Display parent_display =
-      display::Screen::GetScreen()->GetDisplayNearestWindow(native_view);
+      display::Screen::GetScreen()->GetDisplayNearestWindow(native_window);
   return parent_display.IsInternal();
 }