FYI: Control Data + Per-Device Metadata

sync/internal_api/public/write_node.h

Index: sync/internal_api/public/write_node.h
diff --git a/sync/internal_api/public/write_node.h b/sync/internal_api/public/write_node.h
index 1993cdbfb8d230644c626a05eb28541d30683a36..b56637e9e8612b4c1a44bc3008c4c9751b2c3311 100644
--- a/sync/internal_api/public/write_node.h
+++ b/sync/internal_api/public/write_node.h
@@ -15,14 +15,16 @@
 
 namespace sync_pb {
 class AppSpecifics;
-class AutofillSpecifics;
 class AutofillProfileSpecifics;
+class AutofillSpecifics;
 class BookmarkSpecifics;
 class EntitySpecifics;
 class ExtensionSpecifics;
-class SessionSpecifics;
 class NigoriSpecifics;
 class PasswordSpecificsData;
+class PerDeviceSpecifics;
+class PerUserSpecifics;
+class SessionSpecifics;
 class ThemeSpecifics;
 class TypedUrlSpecifics;
 }
@@ -164,6 +166,14 @@ class WriteNode : public BaseNode {
   // Should only be called if GetModelType() == SESSIONS.
   void SetSessionSpecifics(const sync_pb::SessionSpecifics& specifics);
 
+  // Set the per-device metadata specifics.
+  // Should only be called if GetModelType() == PER_DEVICE_METADATA.
+  void SetPerDeviceSpecifics(const sync_pb::PerDeviceSpecifics& specifics);
+
+  // Set the per-account metadata specifics.
+  // Should only be called if GetModelType() == PER_USER_METADATA.
+  void SetPerUserSpecifics(const sync_pb::PerUserSpecifics& specifics);
+
   // Implementation of BaseNode's abstract virtual accessors.
   virtual const syncable::Entry* GetEntry() const OVERRIDE;