Move PolicySchema and PolicySchemaRegistry to components/policy/.

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>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "components/policy/core/common/policy_namespace.h"
-#include "components/policy/core/common/schema.h"
-
-namespace policy {
-
-class PolicyBundle;
-
-typedef std::map<std::string, Schema> ComponentMap;
-typedef std::map<PolicyDomain, ComponentMap> DomainMap;
-
-// Contains a mapping of policy namespaces (domain + component ID) to its
-// corresponding Schema.
-class SchemaMap : public base::RefCountedThreadSafe<SchemaMap> {
- public:
-  SchemaMap();
-  // Takes ownership of |map| (its contents will be swapped).
-  explicit SchemaMap(DomainMap& map);
-
-  const DomainMap& GetDomains() const;
-
-  const ComponentMap* GetComponents(PolicyDomain domain) const;
-
-  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_