chromeos: Make network enrollment and SIM unlock dialogs work with mash

chrome/browser/chromeos/net/network_connect_delegate_chromeos.cc

Index: chrome/browser/chromeos/net/network_connect_delegate_chromeos.cc
diff --git a/chrome/browser/chromeos/net/network_connect_delegate_chromeos.cc b/chrome/browser/chromeos/net/network_connect_delegate_chromeos.cc
index 895a4b16855923c24ab09aa81063c8c0a5c1d5cb..16619799665a01dea8a25f78bae3c478f1ec82b2 100644
--- a/chrome/browser/chromeos/net/network_connect_delegate_chromeos.cc
+++ b/chrome/browser/chromeos/net/network_connect_delegate_chromeos.cc
@@ -4,32 +4,25 @@
 
 #include "chrome/browser/chromeos/net/network_connect_delegate_chromeos.h"
 
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/wm_shell.h"
-#include "ash/shell.h"
 #include "chrome/browser/chromeos/enrollment_dialog_view.h"
+#include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/net/network_state_notifier.h"
 #include "chrome/browser/chromeos/sim_dialog_delegate.h"
 #include "chrome/browser/ui/ash/system_tray_client.h"
 #include "chrome/browser/ui/webui/chromeos/mobile_setup_dialog.h"
 
+namespace chromeos {
+
 namespace {
 
 bool IsUIAvailable() {
-  return ash::WmShell::HasInstance() &&
-         !ash::WmShell::Get()->GetSessionStateDelegate()->IsScreenLocked();
-}
-
-gfx::NativeWindow GetNativeWindow() {
-  int container_id = SystemTrayClient::GetDialogParentContainerId();
-  return ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
-                                  container_id);
+  // UI is available when screen is unlocked.
+  return !ScreenLocker::default_screen_locker() ||
+         !ScreenLocker::default_screen_locker()->locked();
 }
 
 }  // namespace
 
-namespace chromeos {
-
 NetworkConnectDelegateChromeOS::NetworkConnectDelegateChromeOS()
     : network_state_notifier_(new NetworkStateNotifier()) {}
 
@@ -53,13 +46,13 @@ bool NetworkConnectDelegateChromeOS::ShowEnrollNetwork(
     const std::string& network_id) {
   if (!IsUIAvailable())
     return false;
-  return enrollment::CreateDialog(network_id, GetNativeWindow());
+  return enrollment::CreateDialog(network_id, nullptr /* owning_window */);
 }
 
 void NetworkConnectDelegateChromeOS::ShowMobileSimDialog() {
   if (!IsUIAvailable())
     return;
-  SimDialogDelegate::ShowDialog(GetNativeWindow(),
+  SimDialogDelegate::ShowDialog(nullptr /* owning_window */,
                                 SimDialogDelegate::SIM_DIALOG_UNLOCK);
 }