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// 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_HISTORY_TOP_SITES_FACTORY_H_
#define CHROME_BROWSER_HISTORY_TOP_SITES_FACTORY_H_
#include <vector>
#include "base/memory/ref_counted.h"
#include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
class Profile;
template <typename T>
struct DefaultSingletonTraits;
namespace history {
struct PrepopulatedPage;
class TopSites;
}
class Profile;
// Used for creating and fetching a per-profile instance of the
// TopSites.
class TopSitesFactory : public RefcountedBrowserContextKeyedServiceFactory {
public:
// Get the TopSites service for |profile|, creating one if needed.
static scoped_refptr<history::TopSites> GetForProfile(Profile* profile);
// Get the TopSites service for |profile|, but do not create it if it doesn't
// exist.
static scoped_refptr<history::TopSites> GetForProfileIfExists(
Profile* profile);
// Get the singleton instance of the factory.
static TopSitesFactory* GetInstance();
// Creates a TopSites service for |context| with |prepopulated_page_list|.
// Public for testing.
static scoped_refptr<history::TopSites> BuildTopSites(
content::BrowserContext* context,
const std::vector<history::PrepopulatedPage>& prepopulated_page_list);
private:
friend struct DefaultSingletonTraits<TopSitesFactory>;
TopSitesFactory();
~TopSitesFactory() override;
// Overridden from BrowserContextKeyedServiceFactory.
scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor(
content::BrowserContext* context) const override;
bool ServiceIsNULLWhileTesting() const override;
DISALLOW_COPY_AND_ASSIGN(TopSitesFactory);
};
#endif // CHROME_BROWSER_HISTORY_TOP_SITES_FACTORY_H_
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