Reland "Add display::GetDisplayNearestView"

ui/display/ios/screen_ios.mm

 // 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.
 
 #import <UIKit/UIKit.h>
 
 #include "base/logging.h"
 #include "ui/display/display.h"
 #include "ui/display/screen_base.h"
 
@@ skipping 33 matching lines @@
     return [[UIScreen screens] count];
 #endif
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScreenIos);
 };
 
 }  // namespace
 
+// static
+gfx::NativeWindow Screen::GetWindowForView(gfx::NativeView view) {
+  return [view window];
+}
+
 Screen* CreateNativeScreen() {
   return new ScreenIos;
 }
 
 }  // namespace gfx