Add additional restriction to policy schema internal (part2)

components/policy/core/common/schema.h

Index: components/policy/core/common/schema.h
diff --git a/components/policy/core/common/schema.h b/components/policy/core/common/schema.h
index 91dc850087617be85cd1b0fcc23acba4a22f80f1..e4190fbde4a65b4c0b8c0a0de5ebc6a30142d8cd 100644
--- a/components/policy/core/common/schema.h
+++ b/components/policy/core/common/schema.h
@@ -118,6 +118,9 @@ class POLICY_EXPORT Schema {
   Schema(const scoped_refptr<const InternalStorage>& storage,
          const internal::SchemaNode* node);
 
+  bool ValidateIntegerRestriction(int index, int value) const;
+  bool ValidateStringRestriction(int index, const char *str) const;
+
   scoped_refptr<const InternalStorage> storage_;
   const internal::SchemaNode* node_;
 };