gfx::NativeView <-> NativeWindow in dislpay.h

ui/display/screen.h

Index: ui/display/screen.h
diff --git a/ui/display/screen.h b/ui/display/screen.h
index 3bff5bdb6406f2bb5256fb552cb8642c5951b2dd..52d559390771280d635dd42400701ffb6fa738e5 100644
--- a/ui/display/screen.h
+++ b/ui/display/screen.h
@@ -58,7 +58,8 @@ class DISPLAY_EXPORT Screen {
   // Returns the display nearest the specified window.
   // If the window is NULL or the window is not rooted to a display this will
   // return the primary display.
-  virtual Display GetDisplayNearestWindow(gfx::NativeView view) const = 0;
+  virtual Display GetDisplayNearestWindow(gfx::NativeWindow view) const = 0;
+  virtual Display GetDisplayNearestView(gfx::NativeView view) const;
 
   // Returns the display nearest the specified point. |point| should be in DIPs.
   virtual Display GetDisplayNearestPoint(const gfx::Point& point) const = 0;
@@ -91,6 +92,8 @@ class DISPLAY_EXPORT Screen {
   bool GetDisplayWithDisplayId(int64_t display_id, Display* display) const;
 
  private:
+  static gfx::NativeWindow WindowForView(gfx::NativeView view);
+
   DISALLOW_COPY_AND_ASSIGN(Screen);
 };