Convert path usage in NetworkListViewBase subclasses to use guids.

chrome/browser/chromeos/net/network_portal_notification_controller.h

 // Copyright 2014 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 CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_NOTIFICATION_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_NOTIFICATION_CONTROLLER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 107 matching lines @@
       const NetworkPortalDetector::CaptivePortalState& state);
 
   // NetworkStateHandlerObserver:
   void DefaultNetworkChanged(const NetworkState* network) override;
 
   // NetworkPortalDetector::Observer:
   void OnPortalDetectionCompleted(
       const NetworkState* network,
       const NetworkPortalDetector::CaptivePortalState& state) override;
 
-  // Last network path for which notification was displayed.
-  std::string last_network_path_;
+  // Last network guid for which notification was displayed.
+  std::string last_network_guid_;
 
   // Backpointer to owner.
   NetworkPortalDetector* network_portal_detector_ = nullptr;
 
   // Currently displayed authorization dialog, or NULL if none.
   NetworkPortalWebDialog* dialog_ = nullptr;
 
   // Do not close Portal Login dialog on "No network" error in browser tests.
   bool ignore_no_network_for_testing_ = false;
 
   // This is called if the controller learns about a potential change of the
   // captive portal.
   base::Closure retry_detection_callback_;
 
   base::WeakPtrFactory<NetworkPortalNotificationController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkPortalNotificationController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_NOTIFICATION_CONTROLLER_H_