mus: Fix notifying clients about window reordering.

components/mus/ws/connection_manager.cc

 // 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.
 
 #include "components/mus/ws/connection_manager.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "components/mus/ws/client_connection.h"
 #include "components/mus/ws/connection_manager_delegate.h"
@@ skipping 425 matching lines @@
     const gfx::Insets& new_client_area) {
   if (in_destructor_)
     return;
 
   ProcessClientAreaChanged(window, old_client_area, new_client_area);
 }
 
 void ConnectionManager::OnWindowReordered(ServerWindow* window,
                                           ServerWindow* relative,
                                           mojom::OrderDirection direction) {
+  ProcessWindowReorder(window, relative, direction);
   if (!in_destructor_)
     SchedulePaint(window, gfx::Rect(window->bounds().size()));
 }
 
 void ConnectionManager::OnWillChangeWindowVisibility(ServerWindow* window) {
   if (in_destructor_)
     return;
 
   // Need to repaint if the window was drawn (which means it's in the process of
   // hiding) or the window is transitioning to drawn.
@@ skipping 42 matching lines @@
     return;
   for (auto& pair : connection_map_) {
     pair.second->service()->ProcessTransientWindowRemoved(
         window, transient_child, IsOperationSource(pair.first));
   }
 }
 
 }  // namespace ws
 
 }  // namespace mus