Add CloudExternalDataPolicyObserverChromeOS

components/policy/core/common/policy_map.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_MAP_H_
 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_MAP_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 16 matching lines @@
     PolicyScope scope;
     base::Value* value;
     ExternalDataFetcher* external_data_fetcher;
 
     Entry()
         : level(POLICY_LEVEL_RECOMMENDED),
           scope(POLICY_SCOPE_USER),
           value(NULL),
           external_data_fetcher(NULL) {}
 
+    // Returns a copy of |this|.
+    scoped_ptr<Entry> DeepCopy() const;
+
     // Returns true if |this| has higher priority than |other|.
     bool has_higher_priority_than(const Entry& other) const;
 
     // Returns true if |this| equals |other|.
     bool Equals(const Entry& other) const;
   };
 
   typedef std::map<std::string, Entry> PolicyMapType;
   typedef PolicyMapType::const_iterator const_iterator;
 
@@ skipping 69 matching lines @@
                              const PolicyMapType::value_type& b);
 
   PolicyMapType map_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyMap);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_MAP_H_