ASH: Use virtual screen coordinates in Display::bounds()

ash/screen_ash.cc

 // Copyright (c) 2012 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/screen_ash.h"
 
 #include "ash/shell.h"
 #include "ash/wm/shelf_layout_manager.h"
 #include "base/logging.h"
 #include "ui/aura/env.h"
@@ skipping 49 matching lines @@
 
 gfx::Display ScreenAsh::GetDisplayNearestWindow(gfx::NativeView window) const {
   return GetDisplayManager()->GetDisplayNearestWindow(window);
 }
 
 gfx::Display ScreenAsh::GetDisplayNearestPoint(const gfx::Point& point) const {
   return GetDisplayManager()->GetDisplayNearestPoint(point);
 }
 
 gfx::Display ScreenAsh::GetPrimaryDisplay() const {
-  return GetDisplayManager()->GetDisplayAt(0);
+  return *GetDisplayManager()->GetDisplayAt(0);
 }
 
 }  // namespace ash