Added SchemaMap::GetChanges().

chrome/browser/policy/schema_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 CHROME_BROWSER_POLICY_SCHEMA_MAP_H_
 #define CHROME_BROWSER_POLICY_SCHEMA_MAP_H_
 
 #include <map>
 #include <string>
 
@@ skipping 24 matching lines @@
   const Schema* GetSchema(const PolicyNamespace& ns) const;
 
   // Removes all the policies in |bundle| that don't match the known schemas.
   // Unknown components are also dropped.
   void FilterBundle(PolicyBundle* bundle) const;
 
   // Returns true if this map contains at least one component of a domain other
   // than POLICY_DOMAIN_CHROME.
   bool HasComponents() const;
 
+  void GetChanges(const scoped_refptr<SchemaMap>& older,
+                  PolicyNamespaceList* removed,
+                  PolicyNamespaceList* added) const;
+
  private:
   friend class base::RefCountedThreadSafe<SchemaMap>;
 
+  void GetNamespacesNotInOther(const SchemaMap* other,
+                               PolicyNamespaceList* list) const;
+
   ~SchemaMap();
 
   DomainMap map_;
 
   DISALLOW_COPY_AND_ASSIGN(SchemaMap);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_SCHEMA_MAP_H_