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Unified Diff: chrome/browser/history/top_sites_factory.h

Issue 815983002: Topsites become keyedService based. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Remove extra inclusion from testing_profile.h Created 5 years, 11 months ago
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Index: chrome/browser/history/top_sites_factory.h
diff --git a/chrome/browser/history/top_sites_factory.h b/chrome/browser/history/top_sites_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..19c80ccc60511934c620661aec8e904ee084e000
--- /dev/null
+++ b/chrome/browser/history/top_sites_factory.h
@@ -0,0 +1,49 @@
+// 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 "base/memory/ref_counted.h"
+#include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
+
+class Profile;
+
+namespace history {
+class TopSites;
+}
+
+template <typename T>
+struct DefaultSingletonTraits;
+
+// 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();
+
+ 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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