chrome/browser/metrics/variations/chrome_variations_service_client.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_METRICS_VARIATIONS_CHROME_VARIATIONS_SERVICE_CLIENT_H_
   6 #define CHROME_BROWSER_METRICS_VARIATIONS_CHROME_VARIATIONS_SERVICE_CLIENT_H_
   7
   8 #include "base/basictypes.h"
   9 #include "components/variations/service/variations_service_client.h"
  10
  11 #if defined(OS_WIN)
  12 #include "chrome/browser/metrics/variations/variations_registry_syncer_win.h"
  13 #endif
  14
  15 // ChromeVariationsServiceClient provides an implementation of
  16 // VariationsServiceClient that depends on chrome/.
  17 class ChromeVariationsServiceClient
  18     : public variations::VariationsServiceClient {
  19  public:
  20   ChromeVariationsServiceClient();
  21   ~ChromeVariationsServiceClient() override;
  22
  23   // variations::VariationsServiceClient:
  24   std::string GetApplicationLocale() override;
  25   base::SequencedWorkerPool* GetBlockingPool() override;
  26   base::Callback<base::Version(void)> GetVersionForSimulationCallback()
  27       override;
  28   net::URLRequestContextGetter* GetURLRequestContext() override;
  29   network_time::NetworkTimeTracker* GetNetworkTimeTracker() override;
  30   version_info::Channel GetChannel() override;
  31   bool OverridesRestrictParameter(std::string* parameter) override;
  32   void OverrideUIString(uint32_t hash, const base::string16& string) override;
  33   void OnInitialStartup() override;
  34
  35  private:
  36 #if defined(OS_WIN)
  37   // Starts syncing Google Update Variation IDs with the registry.
  38   void StartGoogleUpdateRegistrySync();
  39
  40   // Helper that handles synchronizing Variations with the Registry.
  41   chrome_variations::VariationsRegistrySyncer registry_syncer_;
  42 #endif
  43
  44   DISALLOW_COPY_AND_ASSIGN(ChromeVariationsServiceClient);
  45 };
  46
  47 #endif  // CHROME_BROWSER_METRICS_VARIATIONS_CHROME_VARIATIONS_SERVICE_CLIENT_H_