Move PolicyBundle into components/policy/.

chrome/browser/policy/policy_bundle.h

-// Copyright (c) 2012 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_POLICY_BUNDLE_H_
-#define CHROME_BROWSER_POLICY_POLICY_BUNDLE_H_
-
-#include <map>
-#include <string>
-
-#include "base/basictypes.h"
-#include "components/policy/core/common/policy_map.h"
-#include "components/policy/core/common/policy_namespace.h"
-
-namespace policy {
-
-// Maps policy namespaces to PolicyMaps.
-class PolicyBundle {
- public:
-  typedef std::map<PolicyNamespace, PolicyMap*> MapType;
-  typedef MapType::iterator iterator;
-  typedef MapType::const_iterator const_iterator;
-
-  PolicyBundle();
-  virtual ~PolicyBundle();
-
-  // Returns the PolicyMap for namespace |ns|.
-  PolicyMap& Get(const PolicyNamespace& ns);
-  const PolicyMap& Get(const PolicyNamespace& ns) const;
-
-  // Swaps the internal representation of |this| with |other|.
-  void Swap(PolicyBundle* other);
-
-  // |this| becomes a copy of |other|. Any existing PolicyMaps are dropped.
-  void CopyFrom(const PolicyBundle& other);
-
-  // Merges the PolicyMaps of |this| with those of |other| for each namespace
-  // in common. Also adds copies of the (namespace, PolicyMap) pairs in |other|
-  // that don't have an entry in |this|.
-  // Each policy in each PolicyMap is replaced only if the policy from |other|
-  // has a higher priority.
-  // See PolicyMap::MergeFrom for details on merging individual PolicyMaps.
-  void MergeFrom(const PolicyBundle& other);
-
-  // Returns true if |other| has the same keys and value as |this|.
-  bool Equals(const PolicyBundle& other) const;
-
-  // Returns iterators to the beginning and end of the underlying container.
-  iterator begin() { return policy_bundle_.begin(); }
-  iterator end() { return policy_bundle_.end(); }
-
-  // These can be used to iterate over and read the PolicyMaps, but not to
-  // modify them.
-  const_iterator begin() const { return policy_bundle_.begin(); }
-  const_iterator end() const { return policy_bundle_.end(); }
-
-  // Erases all the existing pairs.
-  void Clear();
-
- private:
-  MapType policy_bundle_;
-
-  // An empty PolicyMap that is returned by const Get() for namespaces that
-  // do not exist in |policy_bundle_|.
-  const PolicyMap kEmpty_;
-
-  DISALLOW_COPY_AND_ASSIGN(PolicyBundle);
-};
-
-}  // namespace policy
-
-#endif  // CHROME_BROWSER_POLICY_POLICY_BUNDLE_H_