The 1st patch to disambiguate message center notifications

ui/message_center/notification.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/notification.h"
 
 #include "base/logging.h"
 #include "ui/message_center/notification_delegate.h"
 #include "ui/message_center/notification_types.h"
 
@@ skipping 52 matching lines @@
       message_(message),
       icon_(icon),
       display_source_(display_source),
       notifier_id_(notifier_id),
       serial_number_(g_next_serial_number_++),
       optional_fields_(optional_fields),
       shown_as_popup_(false),
       is_read_(false),
       delegate_(delegate) {}
 
+Notification::Notification(const std::string& id, const Notification& other)
+    : type_(other.type_),
+      id_(id),
+      title_(other.title_),
+      message_(other.message_),
+      icon_(other.icon_),
+      display_source_(other.display_source_),
+      notifier_id_(other.notifier_id_),
+      serial_number_(other.serial_number_),
+      optional_fields_(other.optional_fields_),
+      shown_as_popup_(other.shown_as_popup_),
+      is_read_(other.is_read_),
+      delegate_(other.delegate_) {
+}
+
 Notification::Notification(const Notification& other)
     : type_(other.type_),
       id_(other.id_),
       title_(other.title_),
       message_(other.message_),
       icon_(other.icon_),
       display_source_(other.display_source_),
       notifier_id_(other.notifier_id_),
       serial_number_(other.serial_number_),
       optional_fields_(other.optional_fields_),
@@ skipping 60 matching lines @@
           icon,
           base::string16()  /* display_source */,
           NotifierId(NotifierId::SYSTEM_COMPONENT, system_component_id),
           RichNotificationData(),
           new HandleNotificationClickedDelegate(click_callback)));
   notification->SetSystemPriority();
   return notification.Pass();
 }
 
 }  // namespace message_center