Revert of Update AuraInit to handle failed initialization

ash/touch_hud/mus/touch_hud_application.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/touch_hud/mus/touch_hud_application.h"
 
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/touch_hud/touch_hud_renderer.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 51 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(TouchHudUI);
 };
 
 TouchHudApplication::TouchHudApplication() : binding_(this) {
   registry_.AddInterface<mash::mojom::Launchable>(
       base::Bind(&TouchHudApplication::Create, base::Unretained(this)));
 }
 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(
     const service_manager::BindSourceInfo& source_info,
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle interface_pipe) {
   registry_.BindInterface(source_info, interface_name,
                           std::move(interface_pipe));
 }
 
@@ skipping 20 matching lines @@
 
 void TouchHudApplication::Create(
     const service_manager::BindSourceInfo& source_info,
     mash::mojom::LaunchableRequest request) {
   binding_.Close();
   binding_.Bind(std::move(request));
 }
 
 }  // namespace touch_hud
 }  // namespace ash