Made notification center notifications collapsed and expandable.

chrome/browser/ui/views/message_center/web_notification_tray_win_browsertest.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 "chrome/browser/ui/views/message_center/web_notification_tray_win.h"
 
 #include <set>
 
 #include "ash/root_window_controller.h"
 #include "ash/system/status_area_widget.h"
@@ skipping 34 matching lines @@
       bool by_user) OVERRIDE {
     notification_ids_.erase(notification_id);
   }
 
   virtual void DisableNotificationsFromSource(
       const std::string& notification_id) OVERRIDE {
   }
 
   virtual void DisableExtension(const std::string& notification_id) OVERRIDE { }
   virtual void ShowSettings(const std::string& notification_id) OVERRIDE { }
+  virtual void ShowSettingsDialog(gfx::NativeView context) OVERRIDE { }
   virtual void OnClicked(const std::string& notification_id) OVERRIDE { }
-  virtual void ShowSettingsDialog(gfx::NativeView context) OVERRIDE { }
-
+  virtual void OnButtonClicked(const std::string& id,
+                               int button_index) OVERRIDE {}
 
   void AddNotification(const std::string& id) {
     notification_ids_.insert(id);
     message_center_->AddNotification(
         message_center::NOTIFICATION_TYPE_SIMPLE,
         id,
         ASCIIToUTF16("Test Web Notification"),
         ASCIIToUTF16("Notification message body."),
         ASCIIToUTF16("www.test.org"),
         "" /* extension id */,
@@ skipping 138 matching lines @@
   EXPECT_TRUE(tray->message_center_tray_->popups_visible());
   EXPECT_EQ(notifications_to_add,
             message_center->NotificationCount());
   EXPECT_EQ(NotificationList::kMaxVisiblePopupNotifications,
             tray->GetPopupBubbleForTest()->NumMessageViewsForTest());
   message_center->SetDelegate(NULL);
   message_center->notification_list()->RemoveAllNotifications();
 }
 
 }  // namespace message_center