Add additional restriction to policy schema internal (part2)

components/policy/core/common/schema.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_POLICY_CORE_COMMON_SCHEMA_H_
 #define COMPONENTS_POLICY_CORE_COMMON_SCHEMA_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 100 matching lines @@
   // This method should be called only if type() == TYPE_LIST,
   // otherwise invalid memory will be read. A CHECK is currently enforcing this.
   Schema GetItems() const;
 
  private:
   // Builds a schema pointing to the inner structure of |storage|,
   // rooted at |node|.
   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_;
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_SCHEMA_H_