Eliminate ash::internal namespace

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/window.h"
 #include "ui/aura/window_event_dispatcher.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),
       bubble_view_(bubble_view) {
   bubble_widget_ = views::BubbleDelegateView::CreateBubble(bubble_view_);
   bubble_widget_->AddObserver(this);
 
   tray_->InitializeBubbleAnimations(bubble_widget_);
   tray_->UpdateBubbleViewArrow(bubble_view_);
@@ skipping 25 matching lines @@
     capture_client->ReleaseCapture(tray_->GetWidget()->GetNativeView());
   tray_->HideBubbleWithView(bubble_view_);  // May destroy |bubble_view_|
 }
 
 void TrayBubbleWrapper::OnWidgetBoundsChanged(views::Widget* widget,
                                               const gfx::Rect& new_bounds) {
   DCHECK_EQ(bubble_widget_, widget);
   tray_->BubbleResized(bubble_view_);
 }
 
-}  // namespace internal
 }  // namespace ash