Generate the Chrome policy schema at compile time.

components/policy/core/common/schema_internal.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_INTERNAL_H_
 #define COMPONENTS_POLICY_CORE_COMMON_SCHEMA_INTERNAL_H_
 
 #include "base/values.h"
 #include "components/policy/policy_export.h"
 
 namespace policy {
 namespace internal {
 
 // These types are used internally by the SchemaOwner parser, and by the
 // compile-time code generator. They shouldn't be used directly.
 
 struct POLICY_EXPORT SchemaNode {
   base::Value::Type type;
-
-  // If |type| is TYPE_LIST then this is a SchemaNode* describing the
-  // element type.
-  //
-  // If |type| is TYPE_DICTIONARY then this is a PropertiesNode* that can
-  // contain any number of named properties and optionally a SchemaNode* for
-  // additional properties.
-  //
-  // This is NULL if |type| has any other values.
-  const void* extra;
+  int extra;
 };
 
 struct POLICY_EXPORT PropertyNode {
   const char* key;
-  const SchemaNode* schema;
+  int schema;
 };
 
 struct POLICY_EXPORT PropertiesNode {
-  const PropertyNode* begin;
-  const PropertyNode* end;
-  const SchemaNode* additional;
+  int begin;
+  int end;
+  int additional;
+};
+
+struct POLICY_EXPORT SchemaData {
+  const SchemaNode* schema_nodes;
+  const PropertyNode* property_nodes;
+  const PropertiesNode* properties_nodes;
 };
 
 }  // namespace internal
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_SCHEMA_INTERNAL_H_