Make aura::clients take Window instead of RootWindow

ash/system/tray/tray_bubble_wrapper.cc

 // Copyright (c) 2012 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/system/tray/tray_bubble_wrapper.h"
 
 #include "ash/system/tray/tray_background_view.h"
 #include "ash/system/tray/tray_event_filter.h"
 #include "ash/wm/window_properties.h"
 #include "ui/aura/client/capture_client.h"
+#include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/views/bubble/tray_bubble_view.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace internal {
 
 TrayBubbleWrapper::TrayBubbleWrapper(TrayBackgroundView* tray,
                                      views::TrayBubbleView* bubble_view)
     : tray_(tray),
@@ skipping 33 matching lines @@
 }
 
 void TrayBubbleWrapper::OnWidgetBoundsChanged(views::Widget* widget,
                                               const gfx::Rect& new_bounds) {
   DCHECK_EQ(bubble_widget_, widget);
   tray_->BubbleResized(bubble_view_);
 }
 
 }  // namespace internal
 }  // namespace ash