[Ozone] Proper cursor support for multi-monitor configurations

ui/events/ozone/evdev/cursor_delegate_evdev.h

 // Copyright 2014 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 UI_EVENTS_OZONE_EVDEV_CURSOR_DELEGATE_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_CURSOR_DELEGATE_EVDEV_H_
 
 #include "ui/events/events_export.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
 class Vector2dF;
 }
 
 namespace ui {
 
 class EVENTS_EXPORT CursorDelegateEvdev {
  public:
   // Move the cursor.
   virtual void MoveCursor(const gfx::Vector2dF& delta) = 0;
   virtual void MoveCursorTo(gfx::AcceleratedWidget widget,
                             const gfx::PointF& location) = 0;
 
-  // Window under cursor & location in window.
-  virtual gfx::AcceleratedWidget window() = 0;
+  // Location in window.
   virtual gfx::PointF location() = 0;
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_CURSOR_DELEGATE_EVDEV_H_