Require explicit selection of traits for LazyInstance

extensions/browser/api/printer_provider_internal/printer_provider_internal_api.cc

 // Copyright 2015 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 "extensions/browser/api/printer_provider_internal/printer_provider_internal_api.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 17 matching lines @@
 #include "extensions/common/api/printer_provider.h"
 #include "extensions/common/api/printer_provider_internal.h"
 
 namespace internal_api = extensions::api::printer_provider_internal;
 
 namespace extensions {
 
 namespace {
 
 static base::LazyInstance<
-    BrowserContextKeyedAPIFactory<PrinterProviderInternalAPI>> g_api_factory =
-    LAZY_INSTANCE_INITIALIZER;
+    BrowserContextKeyedAPIFactory<PrinterProviderInternalAPI>>::DestructorAtExit
+    g_api_factory = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 // static
 BrowserContextKeyedAPIFactory<PrinterProviderInternalAPI>*
 PrinterProviderInternalAPI::GetFactoryInstance() {
   return g_api_factory.Pointer();
 }
 
 PrinterProviderInternalAPI::PrinterProviderInternalAPI(
@@ skipping 208 matching lines @@
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   PrinterProviderInternalAPI::GetFactoryInstance()
       ->Get(browser_context())
       ->NotifyGetUsbPrinterInfoResult(extension(), params->request_id,
                                       params->printer_info.get());
   return RespondNow(NoArguments());
 }
 
 }  // namespace extensions