Add context to gfx::Screen calls in support of simultaneous desktop+ash

chrome/browser/ui/gtk/browser_window_gtk.cc

Index: chrome/browser/ui/gtk/browser_window_gtk.cc
diff --git a/chrome/browser/ui/gtk/browser_window_gtk.cc b/chrome/browser/ui/gtk/browser_window_gtk.cc
index e14bbb825fd3c95ba8d34abdd86dc8ebf351b39d..cd21aa74afe802625b9c11eb7a37ac6a37ed3ca4 100644
--- a/chrome/browser/ui/gtk/browser_window_gtk.cc
+++ b/chrome/browser/ui/gtk/browser_window_gtk.cc
@@ -2011,8 +2011,8 @@ void BrowserWindowGtk::SaveWindowPosition() {
   window_preferences->SetInteger("bottom", restored_bounds_.bottom());
   window_preferences->SetBoolean("maximized", IsMaximized());
 
-  gfx::Rect work_area(
-      gfx::Screen::GetDisplayMatching(restored_bounds_).work_area());
+  gfx::Rect work_area(gfx::Screen::GetNativeScreen()->GetDisplayMatching(
+      restored_bounds_).work_area());
   window_preferences->SetInteger("work_area_left", work_area.x());
   window_preferences->SetInteger("work_area_top", work_area.y());
   window_preferences->SetInteger("work_area_right", work_area.right());