Converts ash to use aura-mus

ash/display/screen_position_controller.h

 // 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.
 
 #ifndef ASH_DISPLAY_SCREEN_POSITION_CONTROLLER_H_
 #define ASH_DISPLAY_SCREEN_POSITION_CONTROLLER_H_
 
 #include <vector>
 
+#include "ash/ash_export.h"
 #include "base/macros.h"
 #include "ui/aura/client/screen_position_client.h"
 
 namespace ash {
 
-class ScreenPositionController : public aura::client::ScreenPositionClient {
+class ASH_EXPORT ScreenPositionController
+    : public aura::client::ScreenPositionClient {
  public:
   // Finds the root window at |location| in |window|'s coordinates
   // from given |root_windows| and returns the found root window and
   // location in that root window's coordinates. The function usually
   // returns |window->GetRootWindow()|, but if the mouse pointer is
   // moved outside the |window|'s root while the mouse is captured, it
   // returns the other root window.
   static void ConvertHostPointToRelativeToRootWindow(
       aura::Window* root_window,
       const std::vector<aura::Window*>& root_windows,
@@ skipping 14 matching lines @@
                  const gfx::Rect& bounds,
                  const display::Display& display) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScreenPositionController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_SCREEN_POSITION_CONTROLLER_H_