Removes WindowTreeImpl::creator_id_

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 52 matching lines @@
   void OnConnectionError(ClientConnection* connection);
 
   ClientConnection* GetClientConnection(WindowTreeImpl* window_tree);
 
   // Invoked when a WindowTreeHostConnection encounters an error or the
   // associated Display window is closed.
   void OnHostConnectionClosed(WindowTreeHostConnection* connection);
 
   // See description of WindowTree::Embed() for details. This assumes
   // |transport_window_id| is valid.
-  WindowTreeImpl* EmbedAtWindow(ConnectionSpecificId creator_id,
-                                const WindowId& window_id,
+  WindowTreeImpl* EmbedAtWindow(const WindowId& window_id,
                                 uint32_t policy_bitmask,
                                 mojom::WindowTreeClientPtr client);
 
   // Returns the connection by id.
   WindowTreeImpl* GetConnection(ConnectionSpecificId connection_id);
 
   // Returns the Window identified by |id|.
   ServerWindow* GetWindow(const WindowId& id);
 
   // Returns whether |window| is a descendant of some root window but not itself
@@ skipping 190 matching lines @@
   // Next id supplied to the window manager.
   uint32_t next_wm_change_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionManager);
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_CONNECTION_MANAGER_H_