chromeos: Fix crash when clicking on networking menu under mash

ash/test/ash_test_helper.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 "ash/test/ash_test_helper.h"
 
 #include "ash/accelerators/accelerator_controller_delegate_aura.h"
 #include "ash/ash_switches.h"
 #include "ash/aura/shell_port_classic.h"
 #include "ash/mus/bridge/shell_port_mash.h"
@@ skipping 336 matching lines @@
   aura::WindowTreeClient* window_tree_client =
       window_manager_app_->window_manager()->window_tree_client();
   window_tree_client_private_ =
       base::MakeUnique<aura::WindowTreeClientPrivate>(window_tree_client);
   if (config_ == Config::MUS) {
     window_tree_client_private_->CallOnConnect();
   } else {
     int next_x = 0;
     CreateRootWindowController("800x600", &next_x);
   }
-
-  // Make sure the NetworkHandler didn't get turned on, see above comment as to
-  // why the NetworkHandler should not be running.
-  CHECK(!chromeos::NetworkHandler::IsInitialized());
 }
 
 void AshTestHelper::CreateShell() {
   CHECK(config_ == Config::CLASSIC);
   ui::ContextFactory* context_factory = nullptr;
   ui::ContextFactoryPrivate* context_factory_private = nullptr;
   bool enable_pixel_output = false;
   ui::InitializeContextFactoryForTests(enable_pixel_output, &context_factory,
                                        &context_factory_private);
   ShellInitParams init_params;
@@ skipping 44 matching lines @@
   std::set<RootWindowController*> roots =
       window_manager_app_->window_manager()->GetRootWindowControllers();
   std::vector<RootWindowController*> ordered_roots;
   ordered_roots.insert(ordered_roots.begin(), roots.begin(), roots.end());
   std::sort(ordered_roots.begin(), ordered_roots.end(), &CompareByDisplayId);
   return ordered_roots;
 }
 
 }  // namespace test
 }  // namespace ash