Made notification center notifications collapsed and expandable.

ui/message_center/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/message_popup_bubble.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "ui/message_center/message_view.h"
 #include "ui/message_center/notification.h"
@@ skipping 48 matching lines @@
 }
 
 void PopupBubbleContentsView::Update(
     const NotificationList::Notifications& popup_notifications) {
   content_->RemoveAllChildViews(true);
   for (NotificationList::Notifications::const_iterator iter =
            popup_notifications.begin();
        iter != popup_notifications.end(); ++iter) {
     MessageView* view =
         NotificationView::ViewForNotification(*iter, list_delegate_);
-    view->SetUpView();
+    view->SetExpanded(true);

[dharcourt, 2013/02/23 04:32:00]

NotificationViews are expanded by default in the popup/alerts/toasts because
MessagePopupBubble isn't set up yet to deal with the changes in view size which
could come if the views were initially collapsed and allowed to be expanded by
the user.

[Jun Mukai, 2013/02/26 02:23:30]

Can you leave this as comment?

[dharcourt, 2013/02/26 03:23:30]

Done.

     content_->AddChildView(view);
   }
   content_->SizeToPreferredSize();
   content_->InvalidateLayout();
   Layout();
   if (GetWidget())
     GetWidget()->GetRootView()->SchedulePaint();
 }
 
 // The timer to call OnAutoClose for |notification|.
@@ skipping 137 matching lines @@
     scoped_ptr<AutocloseTimer> release_timer(iter->second);
     autoclose_timers_.erase(iter);
   }
 }
 
 size_t MessagePopupBubble::NumMessageViewsForTest() const {
   return contents_view_->NumMessageViews();
 }
 
 }  // namespace message_center