mus: Implement ScreenMus::GetCursorScreenPoint().

components/mus/ws/event_dispatcher_delegate.h

 // Copyright 2015 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 COMPONENTS_MUS_WS_EVENT_DISPATCHER_DELEGATE_H_
 #define COMPONENTS_MUS_WS_EVENT_DISPATCHER_DELEGATE_H_
 
 #include <stdint.h>
 
 namespace ui {
@@ skipping 17 matching lines @@
   // Called when capture should be set on the native display.
   virtual void SetNativeCapture() = 0;
   // Called when the native display is having capture released. There is no
   // longer a ServerWindow holding capture.
   virtual void ReleaseNativeCapture() = 0;
   // Called when |window| has lost capture. The native display may still be
   // holding capture. The delegate should not change native display capture.
   // ReleaseNativeCapture is invoked if appropriate.
   virtual void OnServerWindowCaptureLost(ServerWindow* window) = 0;
 
+  virtual void OnMouseCursorLocationChanged(const gfx::Point& point) = 0;
+
   // |in_nonclient_area| is true if the event occurred in the non-client area.
   virtual void DispatchInputEventToWindow(ServerWindow* target,
                                           bool in_nonclient_area,
                                           const ui::Event& event,
                                           Accelerator* accelerator) = 0;
 
   // Called when event dispatch could not find a target. OnAccelerator may still
   // be called.
   virtual void OnEventTargetNotFound(const ui::Event& event) = 0;
 
  protected:
   virtual ~EventDispatcherDelegate() {}
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_EVENT_DISPATCHER_DELEGATE_H_