Changed DB to store node positions as Ordinals.

sync/syncable/syncable_enum_conversions.cc

Index: sync/syncable/syncable_enum_conversions.cc
diff --git a/sync/syncable/syncable_enum_conversions.cc b/sync/syncable/syncable_enum_conversions.cc
index 9a8b8921c4162261247f60d6f5f3bb39b1bc9447..3fdd7a8ca406785892bffbbe179aec1839c8b441 100644
--- a/sync/syncable/syncable_enum_conversions.cc
+++ b/sync/syncable/syncable_enum_conversions.cc
@@ -49,7 +49,6 @@ const char* GetInt64FieldString(Int64Field int64_field) {
                      BASE_VERSION + 1, INT64_FIELDS_END - 1);
   switch (int64_field) {
     ENUM_CASE(SERVER_VERSION);
-    ENUM_CASE(SERVER_POSITION_IN_PARENT);
     ENUM_CASE(LOCAL_EXTERNAL_ID);
     case INT64_FIELDS_END: break;
   }
@@ -148,6 +147,17 @@ const char* GetProtoFieldString(ProtoField proto_field) {
   return "";
 }
 
+const char* GetOrdinalFieldString(OrdinalField ordinal_field) {
+  ASSERT_ENUM_BOUNDS(SERVER_ORDINAL_IN_PARENT, SERVER_ORDINAL_IN_PARENT,
+                     ORDINAL_FIELDS_BEGIN, ORDINAL_FIELDS_END - 1);
+  switch(ordinal_field) {
+    ENUM_CASE(SERVER_ORDINAL_IN_PARENT);
+    case ORDINAL_FIELDS_END: break;
+  }
+  NOTREACHED();
+  return "";
+}
+
 const char* GetBitTempString(BitTemp bit_temp) {
   ASSERT_ENUM_BOUNDS(SYNCING, SYNCING,
                      BIT_TEMPS_BEGIN, BIT_TEMPS_END - 1);