Retain popup bubble mouse status even through updates.

ui/message_center/views/message_popup_collection.cc

 // 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.
 
 #include "ui/message_center/views/message_popup_collection.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/i18n/rtl.h"
@@ skipping 432 matching lines @@
   }
   if (toast_iter == toasts_.end())
     return;
 
   NotificationList::PopupNotifications notifications =
       message_center_->GetPopupNotifications();
   bool updated = false;
 
   for (NotificationList::PopupNotifications::iterator iter =
            notifications.begin(); iter != notifications.end(); ++iter) {
-    if ((*iter)->id() != notification_id)
+    Notification* notification = *iter;
+    DCHECK(notification);
+    ToastContentsView* toast_contents_view = *toast_iter;
+    DCHECK(toast_contents_view);
+
+    if (notification->id() != notification_id)
       continue;
 
     const RichNotificationData& optional_fields =
-        (*iter)->rich_notification_data();
+        notification->rich_notification_data();
     bool a11y_feedback_for_updates =
         optional_fields.should_make_spoken_feedback_for_popup_updates;
 
-    NotificationView* view =
-        NotificationView::Create(*toast_iter,
-                                 *(*iter),
-                                 true); // Create top-level notification.
-    view->set_context_menu_controller(context_menu_controller_.get());
-    (*toast_iter)->SetContents(view, a11y_feedback_for_updates);
+    toast_contents_view->UpdateContents(*notification,
+                                        a11y_feedback_for_updates);
+
     updated = true;
   }
 
   // OnNotificationUpdated() can be called when a notification is excluded from
   // the popup notification list but still remains in the full notification
   // list. In that case the widget for the notification has to be closed here.
   if (!updated)
     RemoveToast(*toast_iter, /*mark_as_shown=*/true);
 
   if (user_is_closing_toasts_by_clicking_)
@@ skipping 129 matching lines @@
       views::Widget* widget = (*iter)->GetWidget();
       if (widget)
         return widget->GetWindowBoundsInScreen();
       break;
     }
   }
   return gfx::Rect();
 }
 
 }  // namespace message_center