Added SchemaMap::GetChanges().

components/policy/core/common/policy_namespace.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_POLICY_NAMESPACE_H_
 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_
 
 #include <string>
+#include <vector>
 
 #include "components/policy/policy_export.h"
 
 namespace policy {
 
 // Policies are namespaced by a (PolicyDomain, ID) pair. The meaning of the ID
 // string depends on the domain; for example, if the PolicyDomain is
 // "extensions" then the ID identifies the extension that the policies control.
 enum POLICY_EXPORT PolicyDomain {
   // The component ID for chrome policies is always the empty string.
@@ skipping 18 matching lines @@
 
   PolicyNamespace& operator=(const PolicyNamespace& other);
   bool operator<(const PolicyNamespace& other) const;
   bool operator==(const PolicyNamespace& other) const;
   bool operator!=(const PolicyNamespace& other) const;
 
   PolicyDomain domain;
   std::string component_id;
 };
 
+typedef std::vector<PolicyNamespace> PolicyNamespaceList;
+
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_