[ash-md] Adds Wi-Fi header row to system tray network detailed view

ui/chromeos/network/network_list_view_base.h

 // Copyright 2015 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.
 
 #ifndef UI_CHROMEOS_NETWORK_NETWORK_LIST_VIEW_BASE_H_
 #define UI_CHROMEOS_NETWORK_NETWORK_LIST_VIEW_BASE_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 17 matching lines @@
   // Refreshes the network list.
   virtual void Update() = 0;
 
   // Checks whether |view| represents a network in the list. If yes, sets
   // |service_path| to the network's service path and returns |true|. Otherwise,
   // leaves |sevice_path| unchanged and returns |false|.
   virtual bool IsNetworkEntry(views::View* view,
                               std::string* service_path) const = 0;
 
  protected:
+  views::View* container() { return container_; }
+
+ private:
   // The container that holds the actual list entries.
   views::View* container_ = nullptr;
 
- private:
   DISALLOW_COPY_AND_ASSIGN(NetworkListViewBase);
 };
 
 }  // namespace ui
 
 #endif  // UI_CHROMEOS_NETWORK_NETWORK_LIST_VIEW_BASE_H_