Makes resolving ids work correctly in new world

components/mus/ws/connection_manager.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_CONNECTION_MANAGER_H_
 #define COMPONENTS_MUS_WS_CONNECTION_MANAGER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 224 matching lines @@
                             WindowTreeHostImpl* host);
 
   // Returns the Display for |host|.
   mojom::DisplayPtr DisplayForHost(WindowTreeHostImpl* host);
 
   // Overridden from ServerWindowDelegate:
   mus::SurfacesState* GetSurfacesState() override;
   void OnScheduleWindowPaint(const ServerWindow* window) override;
   const ServerWindow* GetRootWindow(const ServerWindow* window) const override;
   void ScheduleSurfaceDestruction(ServerWindow* window) override;
+  ServerWindow* FindWindowForSurface(
+      const ServerWindow* ancestor,
+      mojom::SurfaceType surface_type,
+      const ClientWindowId& client_window_id) override;
 
   // Overridden from ServerWindowObserver:
   void OnWindowDestroyed(ServerWindow* window) override;
   void OnWillChangeWindowHierarchy(ServerWindow* window,
                                    ServerWindow* new_parent,
                                    ServerWindow* old_parent) override;
   void OnWindowHierarchyChanged(ServerWindow* window,
                                 ServerWindow* new_parent,
                                 ServerWindow* old_parent) override;
   void OnWindowBoundsChanged(ServerWindow* window,
@@ skipping 61 matching lines @@
 
   bool got_valid_frame_decorations_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionManager);
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_CONNECTION_MANAGER_H_