Move VariationsRegistrySyncerWin to ChromeVariationsServiceClient

chrome/browser/metrics/variations/variations_service.h

Index: chrome/browser/metrics/variations/variations_service.h
diff --git a/chrome/browser/metrics/variations/variations_service.h b/chrome/browser/metrics/variations/variations_service.h
index bd48d65083f8b146a018f373e98c3b957684b1f9..a71f4c004d07b2310beaa3c64c9daa94ec4ee83f 100644
--- a/chrome/browser/metrics/variations/variations_service.h
+++ b/chrome/browser/metrics/variations/variations_service.h
@@ -23,10 +23,6 @@
 #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;
 
@@ -80,6 +76,9 @@ class VariationsService
   // may not be created.
   bool CreateTrialsFromSeed();
 
+  // Performs initial startup tasks.

[Alexei Svitkine (slow), 2015/08/24 18:53:03]

Nit: Update comment.

[blundell, 2015/08/25 07:47:50]

Done.

+  void PerformPreMainMessageLoopStartup();
+
   // Calls FetchVariationsSeed once and repeats this periodically. See
   // implementation for details on the period. Must be called after
   // |CreateTrialsFromSeed|.
@@ -98,11 +97,6 @@ class VariationsService
   // code to notify each service individually.
   void OnAppEnterForeground();
 
-#if defined(OS_WIN)
-  // Starts syncing Google Update Variation IDs with the registry.
-  void StartGoogleUpdateRegistrySync();
-#endif
-
   // Sets the value of the "restrict" URL param to the variations service that
   // should be used for variation seed requests. This takes precedence over any
   // value coming from policy prefs. This should be called prior to any calls
@@ -286,11 +280,6 @@ class VariationsService
   // List of observers of the VariationsService.
   base::ObserverList<Observer> observer_list_;
 
-#if defined(OS_WIN)
-  // Helper that handles synchronizing Variations with the Registry.
-  VariationsRegistrySyncer registry_syncer_;
-#endif
-
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<VariationsService> weak_ptr_factory_;