sync: move invalidation version prefs out of SyncPrefs into InvalidatorStorage.

chrome/browser/sync/sync_prefs.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_SYNC_SYNC_PREFS_H_
 #define CHROME_BROWSER_SYNC_SYNC_PREFS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 27 matching lines @@
 // TODO(akalin): Some classes still read the prefs directly.  Consider
 // passing down a pointer to SyncPrefs to them.  A list of files:
 //
 //   profile_sync_service_startup_unittest.cc
 //   profile_sync_service.cc
 //   sync_setup_flow.cc
 //   sync_setup_wizard.cc
 //   sync_setup_wizard_unittest.cc
 //   two_client_preferences_sync_test.cc
 class SyncPrefs : public base::SupportsWeakPtr<SyncPrefs>,
-                  public sync_notifier::InvalidationStateTracker,
                   public content::NotificationObserver {
  public:
   // |pref_service| may be NULL (for unit tests), but in that case no
   // setter methods should be called.  Does not take ownership of
   // |pref_service|.
   explicit SyncPrefs(PrefService* pref_service);
 
   virtual ~SyncPrefs();
 
   void AddSyncPrefObserver(SyncPrefObserver* sync_pref_observer);
@@ skipping 40 matching lines @@
   std::string GetEncryptionBootstrapToken() const;
   void SetEncryptionBootstrapToken(const std::string& token);
 
 #if defined(OS_CHROMEOS)
   // Use this spare bootstrap token only when setting up sync for the first
   // time.
   std::string GetSpareBootstrapToken() const;
   void SetSpareBootstrapToken(const std::string& token);
 #endif
 
-  // InvalidationStateTracker implementation.
-  virtual sync_notifier::InvalidationVersionMap
-      GetAllMaxVersions() const OVERRIDE;
-  virtual void SetMaxVersion(syncable::ModelType model_type,
-                             int64 max_version) OVERRIDE;
-
   // Merges the given set of types with the set of acknowledged types.
   void AcknowledgeSyncedTypes(syncable::ModelTypeSet types);
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // For testing.
 
@@ skipping 35 matching lines @@
   // etc.
   typedef std::map<syncable::ModelType, syncable::ModelTypeSet> PrefGroupsMap;
   PrefGroupsMap pref_groups_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncPrefs);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_SYNC_PREFS_H_