chromeos: Move files in //ash/common to //ash, part 1

ash/common/shelf/overflow_bubble.cc

 // Copyright 2013 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/common/shelf/overflow_bubble.h"
 
 #include "ash/common/shelf/overflow_bubble_view.h"
 #include "ash/common/shelf/overflow_button.h"
 #include "ash/common/shelf/shelf_view.h"
 #include "ash/common/shelf/wm_shelf.h"
-#include "ash/common/system/tray/tray_background_view.h"
 #include "ash/common/wm_shell.h"
+#include "ash/system/tray/tray_background_view.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 
 OverflowBubble::OverflowBubble(WmShelf* wm_shelf)
     : wm_shelf_(wm_shelf),
       bubble_(nullptr),
       overflow_button_(nullptr),
       shelf_view_(nullptr) {
@@ skipping 62 matching lines @@
 void OverflowBubble::OnWidgetDestroying(views::Widget* widget) {
   DCHECK(widget == bubble_->GetWidget());
   // Update the overflow button in the parent ShelfView.
   overflow_button_->SchedulePaint();
   bubble_ = nullptr;
   overflow_button_ = nullptr;
   shelf_view_ = nullptr;
 }
 
 }  // namespace ash