Revert of Update AuraInit to handle failed initialization

ash/touch_hud/mus/touch_hud_application.cc

Index: ash/touch_hud/mus/touch_hud_application.cc
diff --git a/ash/touch_hud/mus/touch_hud_application.cc b/ash/touch_hud/mus/touch_hud_application.cc
index 7bdd4176cff028b5df6ab7620676b27d9242dd27..59f138adcd5737dfc0c921dbfb43e888822ad63f 100644
--- a/ash/touch_hud/mus/touch_hud_application.cc
+++ b/ash/touch_hud/mus/touch_hud_application.cc
@@ -69,11 +69,9 @@
 TouchHudApplication::~TouchHudApplication() {}
 
 void TouchHudApplication::OnStart() {
-  aura_init_ = views::AuraInit::Create(
+  aura_init_ = base::MakeUnique<views::AuraInit>(
       context()->connector(), context()->identity(), "views_mus_resources.pak",
       std::string(), nullptr, views::AuraInit::Mode::AURA_MUS);
-  if (!aura_init_)
-    context()->QuitNow();
 }
 
 void TouchHudApplication::OnBindInterface(