Introduce (Chrome)VariationsServiceClient

chrome/browser/metrics/variations/variations_service.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_METRICS_VARIATIONS_VARIATIONS_SERVICE_H_
 #define CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SERVICE_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/observer_list.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "chrome/browser/metrics/variations/variations_request_scheduler.h"
 #include "chrome/browser/metrics/variations/variations_seed_store.h"
 #include "components/variations/variations_seed_simulator.h"
+#include "components/variations/variations_service_client.h"
 #include "components/web_resource/resource_request_allowed_notifier.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "url/gurl.h"
 
 #if defined(OS_WIN)
 #include "chrome/browser/metrics/variations/variations_registry_syncer_win.h"
 #endif
 
 class PrefService;
 class PrefRegistrySimple;
@@ skipping 92 matching lines @@
   // Register Variations related prefs in Local State.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // Register Variations related prefs in the Profile prefs.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // Factory method for creating a VariationsService. Does not take ownership of
   // |state_manager|. Caller should ensure that |state_manager| is valid for the
   // lifetime of this class.
   static scoped_ptr<VariationsService> Create(
+      scoped_ptr<VariationsServiceClient> client,
       PrefService* local_state,
       metrics::MetricsStateManager* state_manager);
 
   // Set the PrefService responsible for getting policy-related preferences,
   // such as the restrict parameter.
   void set_policy_pref_service(PrefService* service) {
     DCHECK(service);
     policy_pref_service_ = service;
   }
 
@@ skipping 13 matching lines @@
                          const std::string& seed_signature,
                          const std::string& country_code,
                          const base::Time& date_fetched,
                          bool is_delta_compressed);
 
   // Creates the VariationsService with the given |local_state| prefs service
   // and |state_manager|. This instance will take ownership of |notifier|.
   // Does not take ownership of |state_manager|. Caller should ensure that
   // |state_manager| is valid for the lifetime of this class. Use the |Create|
   // factory method to create a VariationsService.
-  VariationsService(web_resource::ResourceRequestAllowedNotifier* notifier,
+  VariationsService(scoped_ptr<VariationsServiceClient> client,
+                    web_resource::ResourceRequestAllowedNotifier* notifier,
                     PrefService* local_state,
                     metrics::MetricsStateManager* state_manager);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(VariationsServiceTest, Observer);
   FRIEND_TEST_ALL_PREFIXES(VariationsServiceTest, SeedStoredWhenOKStatus);
   FRIEND_TEST_ALL_PREFIXES(VariationsServiceTest, SeedNotStoredWhenNonOKStatus);
   FRIEND_TEST_ALL_PREFIXES(VariationsServiceTest, SeedDateUpdatedOn304Status);
   FRIEND_TEST_ALL_PREFIXES(VariationsServiceTest,
                            LoadPermanentConsistencyCountry);
@@ skipping 40 matching lines @@
 
   // Loads the country code to use for filtering permanent consistency studies,
   // updating the stored country code if the stored value was for a different
   // Chrome version. The country used for permanent consistency studies is kept
   // consistent between Chrome upgrades in order to avoid annoying the user due
   // to experiment churn while traveling.
   std::string LoadPermanentConsistencyCountry(
       const base::Version& version,
       const std::string& latest_country);
 
+  scoped_ptr<VariationsServiceClient> client_;
+
   // The pref service used to store persist the variations seed.
   PrefService* local_state_;
 
   // Used for instantiating entropy providers for variations seed simulation.
   // Weak pointer.
   metrics::MetricsStateManager* state_manager_;
 
   // Used to obtain policy-related preferences. Depending on the platform, will
   // either be Local State or Profile prefs.
   PrefService* policy_pref_service_;
@@ skipping 52 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<VariationsService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VariationsService);
 };
 
 }  // namespace chrome_variations
 
 #endif  // CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SERVICE_H_