[USS] Implement SharedModelTypeProcessor::GetAllNodes for USS

components/sync/protocol/proto_value_conversions.cc

Index: components/sync/protocol/proto_value_conversions.cc
diff --git a/components/sync/protocol/proto_value_conversions.cc b/components/sync/protocol/proto_value_conversions.cc
index 1397db8c44cb38528c8e65f9794e899606cd3578..0843275c3c2b83ea080448f1bfabbd654a6572a5 100644
--- a/components/sync/protocol/proto_value_conversions.cc
+++ b/components/sync/protocol/proto_value_conversions.cc
@@ -29,6 +29,7 @@
 #include "components/sync/protocol/bookmark_specifics.pb.h"
 #include "components/sync/protocol/dictionary_specifics.pb.h"
 #include "components/sync/protocol/encryption.pb.h"
+#include "components/sync/protocol/entity_metadata.pb.h"
 #include "components/sync/protocol/experiments_specifics.pb.h"
 #include "components/sync/protocol/extension_setting_specifics.pb.h"
 #include "components/sync/protocol/extension_specifics.pb.h"
@@ -1090,6 +1091,22 @@ std::unique_ptr<base::DictionaryValue> AttachmentIdProtoToValue(
   return value;
 }
 
+std::unique_ptr<base::DictionaryValue> EntityMetadataToValue(
+    const sync_pb::EntityMetadata& proto) {
+  std::unique_ptr<base::DictionaryValue> value(new base::DictionaryValue());
+  SET_STR(client_tag_hash);
+  SET_STR(server_id);
+  SET_BOOL(is_deleted);
+  SET_INT64(sequence_number);
+  SET_INT64(acked_sequence_number);
+  SET_INT64(server_version);
+  SET_INT64(creation_time);
+  SET_INT64(modification_time);
+  SET_STR(specifics_hash);
+  SET_STR(base_specifics_hash);
+  return value;
+}
+
 #undef SET_TYPE
 #undef SET
 #undef SET_REP