mus: Implement ScreenMus::GetCursorScreenPoint().

components/mus/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 COMPONENTS_MUS_WS_WINDOW_MANAGER_STATE_H_
 #define COMPONENTS_MUS_WS_WINDOW_MANAGER_STATE_H_
 
 #include <stdint.h>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 88 matching lines @@
   // received.
   // TODO(sky): make this private and use a callback.
   void OnEventAck(mojom::WindowTree* tree, mojom::EventResult result);
 
   // Returns a mojom::Display for the specified display. WindowManager specific
   // values are not set.
   mojom::DisplayPtr ToMojomDisplay() const;
 
   void OnWillDestroyTree(WindowTree* tree);
 
+  gfx::Point GetCursorLocation() const;
+
  private:
   class ProcessedEventTarget;
   friend class Display;
   friend class test::WindowManagerStateTestApi;
 
   // There are two types of events that may be queued, both occur only when
   // waiting for an ack from a client.
   // . We get an event from the PlatformDisplay. This results in |event| being
   //   set, but |processed_target| is null.
   // . We get an event from the EventDispatcher. In this case both |event| and
@@ skipping 69 matching lines @@
 
   EventDispatcher event_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerState);
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_WINDOW_MANAGER_STATE_H_