Data promo notification should follow the normal ash notifications theme. This

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

 // Copyright (c) 2012 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/chromeos/system/ash_system_tray_delegate.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/audio/audio_observer.h"
 #include "ash/system/bluetooth/bluetooth_observer.h"
@@ skipping 140 matching lines @@
                            public NetworkMenu::Delegate,
                            public NetworkLibrary::NetworkManagerObserver,
                            public NetworkLibrary::NetworkObserver,
                            public NetworkLibrary::CellularDataPlanObserver,
                            public gdata::OperationRegistry::Observer,
                            public content::NotificationObserver,
                            public input_method::InputMethodManager::Observer,
                            public system::TimezoneSettings::Observer,
                            public BluetoothAdapter::Observer,
                            public SystemKeyEventListener::CapsLockObserver,
-                           public MessageBubbleLinkListener {
+                           public ash::NetworkTrayDelegate {
  public:
   explicit SystemTrayDelegate(ash::SystemTray* tray)
       : tray_(tray),
         ui_weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(
             new base::WeakPtrFactory<SystemTrayDelegate>(this))),
         network_icon_(ALLOW_THIS_IN_INITIALIZER_LIST(
                       new NetworkMenuIcon(this, NetworkMenuIcon::MENU_MODE))),
         network_icon_dark_(ALLOW_THIS_IN_INITIALIZER_LIST(
                       new NetworkMenuIcon(this, NetworkMenuIcon::MENU_MODE))),
         network_menu_(ALLOW_THIS_IN_INITIALIZER_LIST(new NetworkMenu(this))),
@@ skipping 1023 matching lines @@
     bool search_mapped_to_caps_lock = false;
     if (!base::chromeos::IsRunningOnChromeOS() ||
         search_key_mapped_to_ == input_method::kCapsLockKey)
       search_mapped_to_caps_lock = true;
 
     ash::CapsLockObserver* observer = tray_->caps_lock_observer();
     if (observer)
       observer->OnCapsLockChanged(enabled, search_mapped_to_caps_lock);
   }
 
-  // Overridden from MessageBubbleLinkListener
-  virtual void OnLinkActivated(size_t index) OVERRIDE {
+  // Overridden from ash::NetworkTrayDelegate
+  virtual void NotificationLinkClicked(size_t index) OVERRIDE {
     // If we have deal info URL defined that means that there're
     // 2 links in bubble. Let the user close it manually then thus giving
     // ability to navigate to second link.
     // mobile_data_bubble_ will be set to NULL in BubbleClosing callback.
     std::string deal_info_url = data_promo_notification_->deal_info_url();
     std::string deal_topup_url = data_promo_notification_->deal_topup_url();
     if (deal_info_url.empty())
       data_promo_notification_->CloseNotification();
 
     std::string deal_url_to_open;
@@ skipping 47 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate(ash::SystemTray* tray) {
   return new chromeos::SystemTrayDelegate(tray);
 }
 
 }  // namespace chromeos