Switch to standard integer types in sync/.

sync/internal_api/sync_backup_manager.h

 // Copyright 2014 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 SYNC_INTERNAL_API_SYNC_BACKUP_MANAGER_H_
 #define SYNC_INTERNAL_API_SYNC_BACKUP_MANAGER_H_
 
+#include <stdint.h>
+
 #include <set>
 
+#include "base/macros.h"
 #include "sync/internal_api/sync_rollback_manager_base.h"
 #include "url/gurl.h"
 
 namespace syncer {
 
 // SyncBackupManager runs before user signs in to sync to back up user's data
 // before sync starts. The data that's backed up can be used to restore user's
 // settings to pre-sync state.
 class SYNC_EXPORT SyncBackupManager : public SyncRollbackManagerBase {
  public:
@@ skipping 25 matching lines @@
   // entries.
   void NormalizeEntries();
 
   // Manipulate preference nodes so that they'll be overwritten by local
   // preference values during model association, i.e. local wins instead of
   // server wins. This is for preventing backup from changing preferences in
   // case backup DB has hijacked preferences.
   void HideSyncPreference(ModelType pref_type);
 
   // Handles of unsynced entries caused by local model changes.
-  std::set<int64> unsynced_;
+  std::set<int64_t> unsynced_;
 
   // True if NormalizeEntries() is being called.
   bool in_normalization_;
 
   SyncStatus status_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackupManager);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_SYNC_BACKUP_MANAGER_H_