mus: Keep track of the drag cursor during DnD operations.

services/ui/ws/window_manager_state.h

 // Copyright 2016 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 SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_
 #define SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 197 matching lines @@
   void ScheduleInputEventTimeout(WindowTree* tree);
 
   // EventDispatcherDelegate:
   void OnAccelerator(uint32_t accelerator_id,
                      const ui::Event& event,
                      AcceleratorPhase phase) override;
   void SetFocusedWindowFromEventDispatcher(ServerWindow* window) override;
   ServerWindow* GetFocusedWindowForEventDispatcher() override;
   void SetNativeCapture(ServerWindow* window) override;
   void ReleaseNativeCapture() override;
+  void UpdateNativeCursorFromDispatcher() override;
   void OnCaptureChanged(ServerWindow* new_capture,
                         ServerWindow* old_capture) override;
   void OnMouseCursorLocationChanged(const gfx::Point& point) override;
   void DispatchInputEventToWindow(ServerWindow* target,
                                   ClientSpecificId client_id,
                                   const ui::Event& event,
                                   Accelerator* accelerator) override;
   ClientSpecificId GetEventTargetClientId(const ServerWindow* window,
                                           bool in_nonclient_area) override;
   ServerWindow* GetRootWindowContaining(gfx::Point* location) override;
@@ skipping 38 matching lines @@
 
   base::WeakPtrFactory<WindowManagerState> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerState);
 };
 
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_WINDOW_MANAGER_STATE_H_