Fix componentization of chrome/browser/bookmarks

chrome/browser/bookmarks/managed_bookmark_service_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 CHROME_BROWSER_BOOKMARKS_MANAGED_BOOKMARK_SERVICE_FACTORY_H_
+#define CHROME_BROWSER_BOOKMARKS_MANAGED_BOOKMARK_SERVICE_FACTORY_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+template <typename T>
+struct DefaultSingletonTraits;
+class Profile;
+
+namespace bookmarks {
+class ManagedBookmarkService;
+}
+
+// Singleton that owns all ManagedBookmarkServices and associates them with
+// Profile.
+class ManagedBookmarkServiceFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  static bookmarks::ManagedBookmarkService* GetForProfile(Profile* profile);
+  static ManagedBookmarkServiceFactory* GetInstance();
+  static TestingFactoryFunction GetDefaultFactory();
+
+ private:
+  friend struct DefaultSingletonTraits<ManagedBookmarkServiceFactory>;
+
+  ManagedBookmarkServiceFactory();
+  ~ManagedBookmarkServiceFactory() override;
+
+  // BrowserStateKeyedServiceFactory implementation.
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const override;
+  content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const override;
+  bool ServiceIsNULLWhileTesting() const override;
+
+  DISALLOW_COPY_AND_ASSIGN(ManagedBookmarkServiceFactory);
+};
+
+#endif  // CHROME_BROWSER_BOOKMARKS_MANAGED_BOOKMARK_SERVICE_FACTORY_H_