[sync] Componentize sync: Part Final: Target 'sync' is now its own component

sync/syncable/syncable_write_transaction.h

Index: sync/syncable/syncable_write_transaction.h
diff --git a/sync/syncable/syncable_write_transaction.h b/sync/syncable/syncable_write_transaction.h
index ea52d45619d35f3c256d7ed0fef7089104ad3355..0debaa5a36676b1b158db13c725a4487ab91a5f5 100644
--- a/sync/syncable/syncable_write_transaction.h
+++ b/sync/syncable/syncable_write_transaction.h
@@ -15,7 +15,7 @@ namespace syncable {
 SYNC_EXPORT extern const int64 kInvalidTransactionVersion;
 
 // Locks db in constructor, unlocks in destructor.
-class SYNC_EXPORT_PRIVATE WriteTransaction : public BaseTransaction {
+class SYNC_EXPORT WriteTransaction : public BaseTransaction {
  public:
   WriteTransaction(const tracked_objects::Location& from_here,
                    WriterTag writer, Directory* directory);