Switch to standard integer types in components/, part 2 of 4.

components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.h

 // 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.
 
 #ifndef COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_KEYED_SERVICE_SHUTDOWN_NOTIFIER_FACTORY_H_
 #define COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_KEYED_SERVICE_SHUTDOWN_NOTIFIER_FACTORY_H_
 
+#include "base/macros.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 #include "components/keyed_service/core/keyed_service_export.h"
 
 class KeyedServiceShutdownNotifier;
 
 // A base class for factories for KeyedServiceShutdownNotifier objects that are
 // keyed on a BrowserContext.
 // To use this class, create a singleton subclass and declare its dependencies
 // in the constructor.
 class KEYED_SERVICE_EXPORT BrowserContextKeyedServiceShutdownNotifierFactory
     : public BrowserContextKeyedServiceFactory {
  public:
   KeyedServiceShutdownNotifier* Get(content::BrowserContext* context);
 
  protected:
   explicit BrowserContextKeyedServiceShutdownNotifierFactory(const char* name);
   ~BrowserContextKeyedServiceShutdownNotifierFactory() override;
 
  private:
   KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
   content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserContextKeyedServiceShutdownNotifierFactory);
 };
 
 #endif  // COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_KEYED_SERVICE_SHUTDOWN_NOTIFIER_FACTORY_H_