ash: ozone: apply transformation to events outside the root window

ui/ozone/platform/dri/dri_cursor.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_OZONE_PLATFORM_DRI_DRI_CURSOR_H_
 #define UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_
 
 #include "base/memory/ref_counted.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
@@ skipping 24 matching lines @@
   void ShowCursor();
   void HideCursor();
   gfx::AcceleratedWidget GetCursorWindow();
 
   // CursorDelegateEvdev:
   void MoveCursorTo(gfx::AcceleratedWidget widget,
                     const gfx::PointF& location) override;
   void MoveCursor(const gfx::Vector2dF& delta) override;
   bool IsCursorVisible() override;
   gfx::PointF location() override;
+  gfx::PointF root_location() override;
 
  private:
   // The location of the bitmap (the cursor location is the hotspot location).
   gfx::Point bitmap_location();
 
   // The DRI implementation for setting the hardware cursor.
   HardwareCursorDelegate* hardware_;
 
   DriWindowManager* window_manager_;  // Not owned.
 
   // The current cursor bitmap.
   scoped_refptr<BitmapCursorOzone> cursor_;
 
   // The window under the cursor.
   gfx::AcceleratedWidget cursor_window_;
 
   // The location of the cursor within the window.
   gfx::PointF cursor_location_;
+
+  // The location of the cursor within the screen.
+  gfx::PointF cursor_root_location_;
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_