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

sync/syncable/syncable_base_transaction.h

Index: sync/syncable/syncable_base_transaction.h
diff --git a/sync/syncable/syncable_base_transaction.h b/sync/syncable/syncable_base_transaction.h
index 763f68d15ae47c43352220b1986c95df2ea0ec43..e15a38b5e7aef75af223b0dd63162a77d7e2036e 100644
--- a/sync/syncable/syncable_base_transaction.h
+++ b/sync/syncable/syncable_base_transaction.h
@@ -31,10 +31,10 @@ enum WriterTag {
 // Make sure to update this if you update WriterTag.
 std::string WriterTagToString(WriterTag writer_tag);
 
-class SYNC_EXPORT_PRIVATE BaseTransaction {
+class SYNC_EXPORT BaseTransaction {
  public:
-  inline Directory* directory() const { return directory_; }
-  inline Id root_id() const { return Id(); }
+  Directory* directory() const;
+  Id root_id() const;
 
   virtual ~BaseTransaction();