services/ui: Remove unused connector argument

ash/mus/bridge/wm_root_window_controller_mus.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/bridge/wm_root_window_controller_mus.h"
 
 #include "ash/common/wm/workspace/workspace_layout_manager.h"
 #include "ash/common/wm/workspace/workspace_layout_manager_backdrop_delegate.h"
 #include "ash/common/wm_root_window_controller_observer.h"
 #include "ash/mus/bridge/wm_shelf_mus.h"
@@ skipping 108 matching lines @@
     views::Widget::InitParams* init_params) {
   init_params->parent_mus = WmWindowMus::GetMusWindow(
       WmWindowMus::Get(root_window_controller_->root())
           ->GetChildByShellWindowId(shell_container_id));
   DCHECK(init_params->parent_mus);
   ::ui::Window* new_window =
       root_window_controller_->root()->window_tree()->NewWindow();
   WmWindowMus::Get(new_window)
       ->set_widget(widget, WmWindowMus::WidgetCreationType::INTERNAL);
   init_params->native_widget = new views::NativeWidgetMus(
-      widget, root_window_controller_->GetConnector(), new_window,
-      ::ui::mojom::SurfaceType::DEFAULT);
+      widget, new_window, ::ui::mojom::SurfaceType::DEFAULT);
 }
 
 WmWindow* WmRootWindowControllerMus::FindEventTarget(
     const gfx::Point& location_in_screen) {
   NOTIMPLEMENTED();
   return nullptr;
 }
 
 gfx::Point WmRootWindowControllerMus::GetLastMouseLocationInRoot() {
   gfx::Point location = root_window_controller_->window_manager()
                             ->window_tree_client()
                             ->GetCursorScreenPoint();
   location -=
       root_window_controller_->display().bounds().origin().OffsetFromOrigin();
   return location;
 }
 
 void WmRootWindowControllerMus::AddObserver(
     WmRootWindowControllerObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void WmRootWindowControllerMus::RemoveObserver(
     WmRootWindowControllerObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace mus
 }  // namespace ash