Moved the ProxyPolicyProvider to the policy component.

chrome/browser/chromeos/policy/proxy_policy_provider.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_CHROMEOS_POLICY_PROXY_POLICY_PROVIDER_H_
-#define CHROME_BROWSER_CHROMEOS_POLICY_PROXY_POLICY_PROVIDER_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "components/policy/core/common/configuration_policy_provider.h"
-
-namespace policy {
-
-// A policy provider implementation that acts as a proxy for another policy
-// provider, swappable at any point.
-class ProxyPolicyProvider : public ConfigurationPolicyProvider,
-                            public ConfigurationPolicyProvider::Observer {
- public:
-  ProxyPolicyProvider();
-  virtual ~ProxyPolicyProvider();
-
-  // Updates the provider this proxy delegates to.
-  void SetDelegate(ConfigurationPolicyProvider* delegate);
-
-  // ConfigurationPolicyProvider:
-  virtual void Shutdown() OVERRIDE;
-  virtual void RefreshPolicies() OVERRIDE;
-
-  // ConfigurationPolicyProvider::Observer:
-  virtual void OnUpdatePolicy(ConfigurationPolicyProvider* provider) OVERRIDE;
-
- private:
-  ConfigurationPolicyProvider* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(ProxyPolicyProvider);
-};
-
-}  // namespace policy
-
-#endif  // CHROME_BROWSER_CHROMEOS_POLICY_PROXY_POLICY_PROVIDER_H_