Fix includes in //components/keyed_service/content

chrome/browser/dom_distiller/dom_distiller_service_factory.h

 // Copyright 2013 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 CHROME_BROWSER_DOM_DISTILLER_DOM_DISTILLER_SERVICE_FACTORY_H_
 #define CHROME_BROWSER_DOM_DISTILLER_DOM_DISTILLER_SERVICE_FACTORY_H_
 
 #include "base/memory/singleton.h"
 #include "components/dom_distiller/core/distilled_page_prefs.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+#include "components/keyed_service/core/keyed_service.h"
 
 namespace content {
 class BrowserContext;
 }  // namespace content
 
 namespace dom_distiller {
 
 // A simple wrapper for DomDistillerService to expose it as a
 // KeyedService.
 class DomDistillerContextKeyedService : public KeyedService,
@@ skipping 25 matching lines @@
   virtual KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
 
   virtual content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
 };
 
 }  // namespace dom_distiller
 
 #endif  // CHROME_BROWSER_DOM_DISTILLER_DOM_DISTILLER_SERVICE_FACTORY_H_