Refactor screen/monitor so that gfx::Screen returns monitor object.

chrome/browser/ui/views/keyboard_overlay_dialog_view.cc

Index: chrome/browser/ui/views/keyboard_overlay_dialog_view.cc
diff --git a/chrome/browser/ui/views/keyboard_overlay_dialog_view.cc b/chrome/browser/ui/views/keyboard_overlay_dialog_view.cc
index b1f91036b920c31bfbea50bf4fe3709f6a3da93e..1328fad36fe4ef4b2d5f451c8da071b46f1f890d 100644
--- a/chrome/browser/ui/views/keyboard_overlay_dialog_view.cc
+++ b/chrome/browser/ui/views/keyboard_overlay_dialog_view.cc
@@ -97,8 +97,8 @@ void KeyboardOverlayDialogView::ShowDialog(
   // Show the widget at the bottom of the work area.
   gfx::Size size;
   delegate->GetDialogSize(&size);
-  gfx::Rect rect = gfx::Screen::GetMonitorWorkAreaNearestWindow(
-      html_view->GetWidget()->GetNativeView());
+  gfx::Rect rect = gfx::Screen::GetMonitorNearestWindow(
+      html_view->GetWidget()->GetNativeView()).work_area();
   gfx::Rect bounds((rect.width() - size.width()) / 2,
                    rect.height() - size.height(),
                    size.width(),