Moving FaviconService to a ProfileKeyedService.

chrome/browser/favicon/favicon_service_factory.h

+// Copyright (c) 2012 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_FAVICON_FAVICON_SERVICE_FACTORY_H_
+#define CHROME_BROWSER_FAVICON_FAVICON_SERVICE_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_keyed_service_factory.h"
+
+template <typename T> struct DefaultSingletonTraits;
+
+class Profile;
+class FaviconService;
+
+// Singleton that owns all FaviconService and associates them with
+// Profiles.
+class FaviconServiceFactory : public ProfileKeyedServiceFactory {
+ public:
+  // |access| defines what the caller plans to do with the service. See
+  // the ServiceAccessType definition in profile.h.
+  static FaviconService* GetForProfile(Profile* profile,
+                                       Profile::ServiceAccessType sat);
+
+  static FaviconServiceFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<FaviconServiceFactory>;
+
+  FaviconServiceFactory();
+  virtual ~FaviconServiceFactory();
+
+  // ProfileKeyedServiceFactory:
+  virtual ProfileKeyedService* BuildServiceInstanceFor(
+      Profile* profile) const OVERRIDE;
+  virtual bool ServiceIsNULLWhileTesting() OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(FaviconServiceFactory);
+};
+
+#endif  // CHROME_BROWSER_FAVICON_FAVICON_SERVICE_FACTORY_H_