| Index: sync/syncable/directory_backing_store.h
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| diff --git a/sync/syncable/directory_backing_store.h b/sync/syncable/directory_backing_store.h
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| index 254fff4d8e7477d9286eebc956e68b4a985f6cfc..848657e94b44e01d96243c89fc35030fe2d491ea 100644
 | 
| --- a/sync/syncable/directory_backing_store.h
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| +++ b/sync/syncable/directory_backing_store.h
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| @@ -144,6 +144,11 @@ class SYNC_EXPORT_PRIVATE DirectoryBackingStore : public base::NonThreadSafe {
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|    bool SetVersion(int version);
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|    int GetVersion();
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|  
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| +  bool GetDatabasePageSize(int* page_size);
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| +  bool IsSyncBackingDatabase32KEnabled();
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| +  bool IncreasePageSizeTo32K();
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| +  bool Vacuum();
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| +
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|    bool MigrateToSpecifics(const char* old_columns,
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|                            const char* specifics_column,
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|                            void(*handler_function) (
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| 
 |