Promotes WmWindowMus functions to WmWindowAura and nukes WmWindowMus

ash/mus/accelerators/accelerator_controller_registrar.cc

 // Copyright 2016 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 "ash/mus/accelerators/accelerator_controller_registrar.h"
 
 #include <limits>
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/accelerators/accelerator_router.h"
 #include "ash/common/wm_shell.h"
 #include "ash/mus/accelerators/accelerator_ids.h"
-#include "ash/mus/bridge/wm_window_mus.h"
 #include "ash/mus/window_manager.h"
 #include "base/logging.h"
 #include "services/ui/common/accelerator_util.h"
 #include "ui/base/accelerators/accelerator_history.h"
 
 namespace ash {
 namespace mus {
 namespace {
 
 // Callback from registering the accelerator.
@@ skipping 141 matching lines @@
   // Common case is we never wrap once, so this is typically cheap. Additionally
   // we expect there not to be too many accelerators.
   while (ids_.count(next_id_) > 0)
     ++next_id_;
   ids_.insert(next_id_);
   return next_id_++;
 }
 
 }  // namespace mus
 }  // namespace ash