Add kiosk browser tests for network configuration.

chrome/browser/chromeos/app_mode/startup_app_launcher.cc

 // Copyright 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/chromeos/app_mode/startup_app_launcher.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/path_service.h"
@@ skipping 46 matching lines @@
 
 StartupAppLauncher::StartupAppLauncher(Profile* profile,
                                        const std::string& app_id)
     : profile_(profile),
       app_id_(app_id) {
   DCHECK(profile_);
   DCHECK(Extension::IdIsValid(app_id_));
 }
 
 StartupAppLauncher::~StartupAppLauncher() {
+  // StartupAppLauncher can be deleted at anytime during the launch process
+  // through a user bailout shortcut.
+  ProfileOAuth2TokenServiceFactory::GetForProfile(profile_)
+      ->RemoveObserver(this);
+  net::NetworkChangeNotifier::RemoveNetworkChangeObserver(this);
 }
 
 void StartupAppLauncher::Start() {
   DVLOG(1) << "Starting... connection = "
            <<  net::NetworkChangeNotifier::GetConnectionType();
   StartLoadingOAuthFile();
 }
 
 void StartupAppLauncher::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
@@ skipping 199 matching lines @@
     DVLOG(1) << "Network up and running!";
     net::NetworkChangeNotifier::RemoveNetworkChangeObserver(this);
 
     BeginInstall();
   } else {
     DVLOG(1) << "Network not running yet!";
   }
 }
 
 }   // namespace chromeos