Remove the most obvious dead code from message center.

ui/message_center/views/message_popup_bubble.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 "ui/message_center/views/message_popup_bubble.h"
-
-#include "base/bind.h"
-#include "base/stl_util.h"
-#include "ui/message_center/message_center.h"
-#include "ui/message_center/message_center_style.h"
-#include "ui/message_center/notification.h"
-#include "ui/message_center/notification_types.h"
-#include "ui/message_center/views/message_view.h"
-#include "ui/message_center/views/notification_view.h"
-#include "ui/views/bubble/tray_bubble_view.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-
-namespace message_center {
-
-// Popup notifications contents.
-class PopupBubbleContentsView : public views::View {
- public:
-  explicit PopupBubbleContentsView(MessageCenter* message_center);
-
-  void Update(const NotificationList::PopupNotifications& popup_notifications);
-
-  size_t NumMessageViews() const {
-    return content_->child_count();
-  }
-
- private:
-  MessageCenter* message_center_; // Weak reference.
-  views::View* content_;
-
-  DISALLOW_COPY_AND_ASSIGN(PopupBubbleContentsView);
-};
-
-PopupBubbleContentsView::PopupBubbleContentsView(
-    MessageCenter* message_center)
-    : message_center_(message_center) {
-  SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 1));
-
-  content_ = new views::View;
-  content_->SetLayoutManager(
-      new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 1));
-  AddChildView(content_);
-
-  if (get_use_acceleration_when_possible()) {
-    content_->SetPaintToLayer(true);
-    content_->SetFillsBoundsOpaquely(false);
-    content_->layer()->SetMasksToBounds(true);
-  }
-}
-
-void PopupBubbleContentsView::Update(
-    const NotificationList::PopupNotifications& popup_notifications) {
-  content_->RemoveAllChildViews(true);
-  for (NotificationList::PopupNotifications::const_iterator iter =
-           popup_notifications.begin();
-       iter != popup_notifications.end(); ++iter) {
-    // NotificationViews are expanded by default here because MessagePopupBubble
-    // hasn't been tested yet with changing subview sizes, and such changes
-    // could come if those subviews were initially collapsed and allowed to be
-    // expanded by users. TODO(dharcourt): Fix.
-    content_->AddChildView(
-        NotificationView::Create(*(*iter),
-                                 message_center_,
-                                 NULL,
-                                 true,    // Create expanded.
-                                 false)); // Not creating a top-level
-                                          // notification.
-  }
-  content_->SizeToPreferredSize();
-  content_->InvalidateLayout();
-  Layout();
-  if (GetWidget())
-    GetWidget()->GetRootView()->SchedulePaint();
-}
-
-// The timer to call OnAutoClose for |notification|.
-class MessagePopupBubble::AutocloseTimer {
- public:
-  AutocloseTimer(Notification* notification, MessagePopupBubble* bubble);
-
-  void Start();
-  void Restart();
-  void Suspend();
-
- private:
-  const std::string id_;
-  base::TimeDelta delay_;
-  base::Time start_time_;
-  MessagePopupBubble* bubble_;
-  base::OneShotTimer<MessagePopupBubble> timer_;
-
-  DISALLOW_COPY_AND_ASSIGN(AutocloseTimer);
-};
-
-MessagePopupBubble::AutocloseTimer::AutocloseTimer(
-    Notification* notification,
-    MessagePopupBubble* bubble)
-    : id_(notification->id()),
-      bubble_(bubble) {
-  int seconds = kAutocloseDefaultDelaySeconds;
-  if (notification->priority() > DEFAULT_PRIORITY)
-    seconds = kAutocloseHighPriorityDelaySeconds;
-  delay_ = base::TimeDelta::FromSeconds(seconds);
-}
-
-void MessagePopupBubble::AutocloseTimer::Start() {
-  start_time_ = base::Time::Now();
-  timer_.Start(FROM_HERE,
-               delay_,
-               base::Bind(&MessagePopupBubble::OnAutoClose,
-                          base::Unretained(bubble_), id_));
-}
-
-void MessagePopupBubble::AutocloseTimer::Restart() {
-  delay_ -= base::Time::Now() - start_time_;
-  if (delay_ < base::TimeDelta())
-    bubble_->OnAutoClose(id_);
-  else
-    Start();
-}
-
-void MessagePopupBubble::AutocloseTimer::Suspend() {
-  timer_.Stop();
-}
-
-// MessagePopupBubble
-MessagePopupBubble::MessagePopupBubble(MessageCenter* message_center)
-    : MessageBubbleBase(message_center, NULL),
-      contents_view_(NULL) {
-}
-
-MessagePopupBubble::~MessagePopupBubble() {
-  STLDeleteContainerPairSecondPointers(autoclose_timers_.begin(),
-                                       autoclose_timers_.end());
-}
-
-views::TrayBubbleView::InitParams MessagePopupBubble::GetInitParams(
-    views::TrayBubbleView::AnchorAlignment anchor_alignment) {
-  views::TrayBubbleView::InitParams init_params =
-      GetDefaultInitParams(anchor_alignment);
-  init_params.arrow_color = kBackgroundColor;
-  init_params.close_on_deactivate = false;
-  return init_params;
-}
-
-void MessagePopupBubble::InitializeContents(
-    views::TrayBubbleView* new_bubble_view) {
-  set_bubble_view(new_bubble_view);
-  contents_view_ = new PopupBubbleContentsView(message_center());
-  bubble_view()->AddChildView(contents_view_);
-  bubble_view()->set_notify_enter_exit_on_child(true);
-  UpdateBubbleView();
-}
-
-void MessagePopupBubble::OnBubbleViewDestroyed() {
-  contents_view_ = NULL;
-}
-
-void MessagePopupBubble::UpdateBubbleView() {
-  NotificationList::PopupNotifications popups =
-      message_center()->GetPopupNotifications();
-
-  if (popups.size() == 0) {
-    if (bubble_view())
-      bubble_view()->delegate()->HideBubble(bubble_view());  // deletes |this|
-    return;
-  }
-
-  contents_view_->Update(popups);
-  bubble_view()->GetWidget()->Show();
-  bubble_view()->UpdateBubble();
-
-  std::set<std::string> old_popup_ids;
-  old_popup_ids.swap(popup_ids_);
-
-  // Start autoclose timers.
-  for (NotificationList::PopupNotifications::const_iterator iter =
-           popups.begin();
-       iter != popups.end(); ++iter) {
-    std::string id = (*iter)->id();
-    std::map<std::string, AutocloseTimer*>::const_iterator timer_iter =
-        autoclose_timers_.find(id);
-    if (timer_iter == autoclose_timers_.end()) {
-      AutocloseTimer *timer = new AutocloseTimer(*iter, this);
-      autoclose_timers_[id] = timer;
-      timer->Start();
-    }
-    popup_ids_.insert(id);
-    old_popup_ids.erase(id);
-  }
-
-  // Stops timers whose notifications are gone.
-  for (std::set<std::string>::const_iterator iter = old_popup_ids.begin();
-       iter != old_popup_ids.end(); ++iter) {
-    DeleteTimer(*iter);
-  }
-}
-
-void MessagePopupBubble::OnMouseEnteredView() {
-  for (std::map<std::string, AutocloseTimer*>::iterator iter =
-           autoclose_timers_.begin(); iter != autoclose_timers_.end(); ++iter) {
-    iter->second->Suspend();
-  }
-}
-
-void MessagePopupBubble::OnMouseExitedView() {
-  for (std::map<std::string, AutocloseTimer*>::iterator iter =
-           autoclose_timers_.begin(); iter != autoclose_timers_.end();) {
-    // |iter| can be deleted if timer is already over.
-    AutocloseTimer* timer = iter->second;
-    ++iter;
-    timer->Restart();
-  }
-}
-
-void MessagePopupBubble::OnAutoClose(const std::string& id) {
-  if (!message_center()->HasNotification(id))
-    return;
-
-  message_center()->MarkSinglePopupAsShown(id, false);
-}
-
-void MessagePopupBubble::DeleteTimer(const std::string& id) {
-  std::map<std::string, AutocloseTimer*>::iterator iter =
-      autoclose_timers_.find(id);
-  if (iter != autoclose_timers_.end()) {
-    scoped_ptr<AutocloseTimer> release_timer(iter->second);
-    autoclose_timers_.erase(iter);
-  }
-}
-
-size_t MessagePopupBubble::NumMessageViewsForTest() const {
-  return contents_view_->NumMessageViews();
-}
-
-}  // namespace message_center