Remove experimental code fro grouping notifications from the same source.

ui/message_center/views/message_center_view.h

 // Copyright (c) 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.
 
 #ifndef UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_VIEW_H_
 #define UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_VIEW_H_
 
 
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/message_center/message_center_export.h"
 #include "ui/message_center/message_center_observer.h"
 #include "ui/message_center/notification_list.h"
 #include "ui/message_center/views/message_center_controller.h"
 #include "ui/message_center/views/message_view.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/view.h"
 
 namespace gfx {
 class MultiAnimation;
 }  // namespace gfx
 
 namespace views {
 class Button;
 }  // namespace views
 
 namespace message_center {
 
-class GroupView;
 class MessageCenter;
 class MessageCenterBubble;
 class NotificationCenterButton;
 class MessageCenterButtonBar;
 class MessageCenterTray;
 class MessageCenterView;
 class MessageView;
 class MessageViewContextMenuController;
 class MessageListView;
 class NotificationView;
@@ skipping 44 matching lines @@
   virtual void ClickOnNotification(const std::string& notification_id) OVERRIDE;
   virtual void RemoveNotification(const std::string& notification_id,
                                   bool by_user) OVERRIDE;
   virtual scoped_ptr<ui::MenuModel> CreateMenuModel(
       const NotifierId& notifier_id,
       const base::string16& display_source) OVERRIDE;
   virtual bool HasClickedListener(const std::string& notification_id) OVERRIDE;
   virtual void ClickOnNotificationButton(const std::string& notification_id,
                                          int button_index) OVERRIDE;
   virtual void ExpandNotification(const std::string& notification_id) OVERRIDE;
-  virtual void GroupBodyClicked(const std::string& last_notification_id)
-      OVERRIDE;
-  virtual void ExpandGroup(const NotifierId& notifier_id) OVERRIDE;
-  virtual void RemoveGroup(const NotifierId& notifier_id) OVERRIDE;
 
   // Overridden from gfx::AnimationDelegate:
   virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
   virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
   virtual void AnimationCanceled(const gfx::Animation* animation) OVERRIDE;
 
  private:
   friend class MessageCenterViewTest;
 
   void AddMessageViewAt(MessageView* view, int index);
-  void AddGroupPlaceholder(const NotifierId& group_id,
-                           const Notification& notification,
-                           const gfx::ImageSkia& group_icon,
-                           int group_size,
-                           int index);
   void AddNotificationAt(const Notification& notification, int index);
   void NotificationsChanged();
   void SetNotificationViewForTest(MessageView* view);
 
   MessageCenter* message_center_;  // Weak reference.
   MessageCenterTray* tray_;  // Weak reference.
 
   // Map notification_id->NotificationView*. It contains all NotificaitonViews
   // currently displayed in MessageCenter.
   typedef std::map<std::string, NotificationView*> NotificationViewsMap;
   NotificationViewsMap notification_views_;  // Weak.
 
-  // List of all GroupViews. GroupView is responsible for multiple Notifications
-  // from the same source.
-  typedef std::list<GroupView*> GroupViews;
-  GroupViews group_views_;  // Weak.
-
   // Child views.
   views::ScrollView* scroller_;
   scoped_ptr<MessageListView> message_list_view_;
   scoped_ptr<views::View> empty_list_view_;
   NotifierSettingsView* settings_view_;
   MessageCenterButtonBar* button_bar_;
   bool top_down_;
 
   // Data for transition animation between settings view and message list.
   bool settings_visible_;
@@ skipping 14 matching lines @@
   bool is_closing_;
 
   scoped_ptr<MessageViewContextMenuController> context_menu_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterView);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_VIEW_H_