Update AuraInit to handle failed initialization

ash/mus/window_manager_application.cc

Index: ash/mus/window_manager_application.cc
diff --git a/ash/mus/window_manager_application.cc b/ash/mus/window_manager_application.cc
index 274c231ecc303988d8c33710f919f87b33c3467a..b6c53783e7d88ae7b92fb00235657943f47de2d2 100644
--- a/ash/mus/window_manager_application.cc
+++ b/ash/mus/window_manager_application.cc
@@ -129,10 +129,14 @@ void WindowManagerApplication::OnStart() {
   mojo_interface_factory::RegisterInterfaces(
       &registry_, base::ThreadTaskRunnerHandle::Get());
 
-  aura_init_ = base::MakeUnique<views::AuraInit>(
-      context()->connector(), context()->identity(), "ash_mus_resources.pak",
-      "ash_mus_resources_200.pak", nullptr,
-      views::AuraInit::Mode::AURA_MUS_WINDOW_MANAGER);
+  aura_init_ = base::MakeUnique<views::AuraInit>();
+  if (!aura_init_->Init(context()->connector(), context()->identity(),
+                        "ash_mus_resources.pak", "ash_mus_resources_200.pak",
+                        nullptr,
+                        views::AuraInit::Mode::AURA_MUS_WINDOW_MANAGER)) {
+    context()->QuitNow();
+    return;
+  }
   window_manager_ = base::MakeUnique<WindowManager>(
       context()->connector(), ash_config_, show_primary_host_on_connect_);