[Sync] Moving DataTypeState to proto for serialization

sync/internal_api/public/model_type_processor.h

Index: sync/internal_api/public/model_type_processor.h
diff --git a/sync/internal_api/public/model_type_processor.h b/sync/internal_api/public/model_type_processor.h
index 121055fe7cdc505ee85d955e8d918bfb81feae6d..297b48f0edc7f2ffc19ea6aab1833116e2e3da28 100644
--- a/sync/internal_api/public/model_type_processor.h
+++ b/sync/internal_api/public/model_type_processor.h
@@ -8,6 +8,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "sync/base/sync_export.h"
 #include "sync/internal_api/public/non_blocking_sync_common.h"
+#include "sync/protocol/data_type_state.pb.h"
 
 namespace syncer_v2 {
 class CommitQueue;
@@ -24,13 +25,13 @@ class SYNC_EXPORT ModelTypeProcessor {
   // Informs this object that some of its commit requests have been
   // successfully serviced.
   virtual void OnCommitCompleted(
-      const DataTypeState& type_state,
+      const sync_pb::DataTypeState& type_state,
       const CommitResponseDataList& response_list) = 0;
 
   // Informs this object that there are some incoming updates is should
   // handle.
   virtual void OnUpdateReceived(
-      const DataTypeState& type_state,
+      const sync_pb::DataTypeState& type_state,
       const UpdateResponseDataList& response_list,
       const UpdateResponseDataList& pending_updates) = 0;
 };