Reland: mash: Convert TrayBackgroundView to wm common types

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/common/wm_lookup.h"
-#include "ash/common/wm_window.h"
-#include "ash/system/tray/tray_background_view.h"
-#include "ash/system/tray/tray_event_filter.h"
-#include "ui/views/bubble/tray_bubble_view.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-
-TrayBubbleWrapper::TrayBubbleWrapper(TrayBackgroundView* tray,
-                                     views::TrayBubbleView* bubble_view)
-    : tray_(tray),
-      bubble_view_(bubble_view) {
-  bubble_widget_ = views::BubbleDialogDelegateView::CreateBubble(bubble_view_);
-  bubble_widget_->AddObserver(this);
-
-  TrayBackgroundView::InitializeBubbleAnimations(bubble_widget_);
-  tray_->UpdateBubbleViewArrow(bubble_view_);
-  bubble_view_->InitializeAndShowBubble();
-
-  tray->tray_event_filter()->AddWrapper(this);
-}
-
-TrayBubbleWrapper::~TrayBubbleWrapper() {
-  tray_->tray_event_filter()->RemoveWrapper(this);
-  if (bubble_widget_) {
-    bubble_widget_->RemoveObserver(this);
-    bubble_widget_->Close();
-  }
-}
-
-void TrayBubbleWrapper::OnWidgetDestroying(views::Widget* widget) {
-  CHECK_EQ(bubble_widget_, widget);
-  bubble_widget_->RemoveObserver(this);
-  bubble_widget_ = NULL;
-
-  // Although the bubble is already closed, the next mouse release event
-  // will invoke PerformAction which reopens the bubble again. To prevent the
-  // reopen, the mouse capture of |tray_| has to be released.
-  // See crbug.com/177075
-  WmLookup::Get()->GetWindowForWidget(tray_->GetWidget())->ReleaseCapture();
-
-  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 ash