Move more from WmShell to Shell

ash/mus/network_connect_delegate_mus.cc

 // Copyright 2016 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/mus/network_connect_delegate_mus.h"
 
 #include "ash/common/system/tray/system_tray_controller.h"
-#include "ash/common/wm_shell.h"
+#include "ash/shell.h"
 #include "base/logging.h"
 
 namespace ash {
 namespace mus {
 
 NetworkConnectDelegateMus::NetworkConnectDelegateMus() {}
 
 NetworkConnectDelegateMus::~NetworkConnectDelegateMus() {}
 
 void NetworkConnectDelegateMus::ShowNetworkConfigure(
     const std::string& network_id) {
-  WmShell::Get()->system_tray_controller()->ShowNetworkConfigure(network_id);
+  Shell::Get()->system_tray_controller()->ShowNetworkConfigure(network_id);
 }
 
 void NetworkConnectDelegateMus::ShowNetworkSettings(
     const std::string& network_id) {
-  WmShell::Get()->system_tray_controller()->ShowNetworkSettings(network_id);
+  Shell::Get()->system_tray_controller()->ShowNetworkSettings(network_id);
 }
 
 bool NetworkConnectDelegateMus::ShowEnrollNetwork(
     const std::string& network_id) {
   // TODO(mash): http://crbug.com/644355
   NOTIMPLEMENTED();
   return false;
 }
 
 void NetworkConnectDelegateMus::ShowMobileSimDialog() {
@@ skipping 16 matching lines @@
 }
 
 void NetworkConnectDelegateMus::ShowMobileActivationError(
     const std::string& network_id) {
   // TODO(mash): http://crbug.com/644355
   LOG(ERROR) << "Mobile Activation Error For: " << network_id;
 }
 
 }  // namespace mus
 }  // namespace ash