mus: Implement ScreenMus::GetCursorScreenPoint().

components/mus/public/cpp/lib/window_tree_client_impl.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_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 109 matching lines @@
 
   // Called after the window's observers have been notified of destruction (as
   // the last step of ~Window).
   void OnWindowDestroyed(Window* window);
 
   Window* GetWindowByServerId(Id id);
 
   // WindowTreeConnection:
   Window* GetCaptureWindow() override;
 
+  gfx::Point GetCursorScreenPoint() override;
+
  private:
   friend class WindowTreeClientImplPrivate;
 
   enum class NewWindowType {
     CHILD,
     TOP_LEVEL,
   };
 
   using IdToWindowMap = std::map<Id, Window*>;
 
@@ skipping 155 matching lines @@
   scoped_ptr<mojo::AssociatedBinding<mojom::WindowManager>>
       window_manager_internal_;
   mojom::WindowManagerClientAssociatedPtr window_manager_internal_client_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeClientImpl);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_