Move ash::DisplayInfo to ui

ash/display/window_tree_host_manager.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_DISPLAY_CONTROLLER_H_
 #define ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 22 matching lines @@
 namespace base {
 class Value;
 template <typename T>
 class JSONValueConverter;
 }
 
 namespace gfx {
 class Insets;
 }
 
+namespace ui {
+class DisplayInfo;
+}
+
 namespace ash {
 class AshWindowTreeHost;
 struct AshWindowTreeHostInitParams;
 class CursorWindowController;
-class DisplayInfo;
+
 class DisplayManager;
 class FocusActivationStore;
 class InputMethodEventHandler;
 class MirrorWindowController;
 class RootWindowController;
 
 // WindowTreeHostManager owns and maintains RootWindows for each attached
 // display, keeping them in sync with display configuration changes.
 class ASH_EXPORT WindowTreeHostManager
     : public display::DisplayObserver,
@@ skipping 162 matching lines @@
   int64_t cursor_display_id_for_restore_;
 
   base::WeakPtrFactory<WindowTreeHostManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_CONTROLLER_H_