mus: Implement ScreenMus::GetCursorScreenPoint().

components/mus/ws/window_tree.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 COMPONENTS_MUS_WS_WINDOW_TREE_H_
 #define COMPONENTS_MUS_WS_WINDOW_TREE_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <queue>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/mus/public/interfaces/surface_id.mojom.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "components/mus/ws/access_policy_delegate.h"
 #include "components/mus/ws/ids.h"
 #include "components/mus/ws/user_id.h"
 #include "components/mus/ws/window_tree_binding.h"
 #include "mojo/public/cpp/bindings/associated_binding.h"
+#include "ui/gfx/geometry/point.h"
 
 namespace gfx {
 class Insets;
 class Rect;
+class Point;
 }
 
 namespace ui {
 class Event;
 }
 
 namespace mus {
 namespace ws {
 
 class AccessPolicy;
@@ skipping 326 matching lines @@
                         bool visible,
                         mojo::TextInputStatePtr state) override;
   void OnWindowInputEventAck(uint32_t event_id, bool handled) override;
   void SetClientArea(
       Id transport_window_id,
       mojo::InsetsPtr insets,
       mojo::Array<mojo::RectPtr> transport_additional_client_areas) override;
   void GetWindowManagerClient(
       mojo::AssociatedInterfaceRequest<mojom::WindowManagerClient> internal)
       override;
+  void GetCursorScreenPoint(const GetCursorScreenPointCallback& callback)
+      override;
 
   // mojom::WindowManagerClient:
   void AddAccelerator(uint32_t id,
                       mojom::EventMatcherPtr event_matcher,
                       const AddAcceleratorCallback& callback) override;
   void RemoveAccelerator(uint32_t id) override;
   void AddActivationParent(Id transport_window_id) override;
   void RemoveActivationParent(Id transport_window_id) override;
   void ActivateNextWindow() override;
   void SetUnderlaySurfaceOffsetAndExtendedHitArea(
@@ skipping 53 matching lines @@
 
   scoped_ptr<WaitingForTopLevelWindowInfo> waiting_for_top_level_window_info_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTree);
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_WINDOW_TREE_H_