Made notification center notifications collapsed and expandable.

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_types.h"
 
 namespace {
@@ skipping 21 matching lines @@
                            const DictionaryValue* optional_fields)
  : type_(type),
    id_(id),
    title_(title),
    message_(message),
    display_source_(display_source),
    extension_id_(extension_id),
    priority_(DEFAULT_PRIORITY),
    timestamp_(base::Time::Now()),
    serial_number_(g_next_serial_number_++),
+   shown_as_popup_(false),
    is_read_(false),
-   shown_as_popup_(false) {
+   is_expanded_(false) {
   // This can override some data members initialized to deafule values above.
   ApplyOptionalFields(optional_fields);
 }
 
 Notification::~Notification() {
 }
 
 bool Notification::SetButtonIcon(size_t index, const gfx::Image& icon) {
   if (index >= buttons_.size())
     return false;
@@ skipping 34 matching lines @@
       const base::DictionaryValue* item;
       items->GetDictionary(i, &item);
       item->GetString(kItemTitleKey, &title);
       item->GetString(kItemMessageKey, &message);
       items_.push_back(NotificationItem(title, message));
     }
   }
 }
 
 }  // namespace message_center