Move NotificationDelegate into message_center.

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 25 matching lines @@
 class WebNotificationTrayWinTest : public InProcessBrowserTest {
  public:
   WebNotificationTrayWinTest() {}
   virtual ~WebNotificationTrayWinTest() {}
 
   virtual void CleanUpOnMainThread() OVERRIDE {
     message_center::MessageCenter::Get()->RemoveAllNotifications(false);
   }
 
  protected:
-  class TestNotificationDelegate : public NotificationDelegate {
+  class TestNotificationDelegate : public ::NotificationDelegate {
    public:
     explicit TestNotificationDelegate(std::string id) : id_(id) {}
     virtual void Display() {}
     virtual void Error() {}
     virtual void Close(bool by_user) {}
     virtual void Click() {}
     virtual std::string id() const { return id_; }
     virtual content::RenderViewHost* GetRenderViewHost() const { return NULL; }
    private:
     std::string id_;
@@ skipping 139 matching lines @@
   tray->message_center_tray_->ShowPopupBubble();
   EXPECT_TRUE(tray->message_center_tray_->popups_visible());
   EXPECT_EQ(notifications_to_add,
             message_center->NotificationCount());
   NotificationList::PopupNotifications popups =
       message_center->GetPopupNotifications();
   EXPECT_EQ(kMaxVisiblePopupNotifications, popups.size());
 }
 
 }  // namespace message_center