Convert path usage in NetworkListViewBase subclasses to use guids.

ash/common/system/chromeos/network/tray_network.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 "ash/common/system/chromeos/network/tray_network.h"
 
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/system/chromeos/network/network_icon.h"
 #include "ash/common/system/chromeos/network/network_icon_animation.h"
 #include "ash/common/system/chromeos/network/network_icon_animation_observer.h"
@@ skipping 305 matching lines @@
     PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
   }
   NetworkStateHandler* handler = NetworkHandler::Get()->network_state_handler();
   bool enabled = handler->IsTechnologyEnabled(NetworkTypePattern::WiFi());
   WmShell::Get()->RecordUserMetricsAction(
       enabled ? UMA_STATUS_AREA_DISABLE_WIFI : UMA_STATUS_AREA_ENABLE_WIFI);
   handler->SetTechnologyEnabled(NetworkTypePattern::WiFi(), !enabled,
                                 chromeos::network_handler::ErrorCallback());
 }
 
-void TrayNetwork::OnCaptivePortalDetected(
-    const std::string& /* service_path */) {
+void TrayNetwork::OnCaptivePortalDetected(const std::string& /* guid */) {
   NetworkStateChanged();
 }
 
 void TrayNetwork::NetworkStateChanged() {
   if (tray_)
     tray_->UpdateNetworkStateHandlerIcon();
   if (default_)
     default_->Update();
   if (detailed_)
     detailed_->Update();
 }
 
 }  // namespace ash