replace COMPILE_ASSERT with static_assert in sync/

sync/syncable/syncable_columns.h

Index: sync/syncable/syncable_columns.h
diff --git a/sync/syncable/syncable_columns.h b/sync/syncable/syncable_columns.h
index 7d3a967977f2392fb198c1195b9a0b20267a522f..8b3bd9ee10a00e18cd1c077816338db6bd6b8294 100644
--- a/sync/syncable/syncable_columns.h
+++ b/sync/syncable/syncable_columns.h
@@ -72,8 +72,8 @@ static const ColumnSpec g_metas_columns[] = {
 };
 
 // At least enforce that there are equal number of column names and fields.
-COMPILE_ASSERT(arraysize(g_metas_columns) >= FIELD_COUNT, missing_column_name);
-COMPILE_ASSERT(arraysize(g_metas_columns) <= FIELD_COUNT, extra_column_names);
+static_assert(arraysize(g_metas_columns) >= FIELD_COUNT, "missing column name");
+static_assert(arraysize(g_metas_columns) <= FIELD_COUNT, "extra column names");
 
 static inline const char* ColumnName(int field) {
   DCHECK(field < BEGIN_TEMPS);