Reverting this as it causes browser tests on the Linux ChromiumOS builder to fail.

chrome/browser/policy/user_cloud_policy_store.h

Index: chrome/browser/policy/user_cloud_policy_store.h
===================================================================
--- chrome/browser/policy/user_cloud_policy_store.h	(revision 150390)
+++ chrome/browser/policy/user_cloud_policy_store.h	(working copy)
@@ -1,52 +0,0 @@
-// 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_USER_CLOUD_POLICY_STORE_H_
-#define CHROME_BROWSER_POLICY_USER_CLOUD_POLICY_STORE_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/policy/user_cloud_policy_store_base.h"
-
-namespace policy {
-
-// Implements a cloud policy store that is stored in a simple file in the user's
-// profile directory. This is used on (non-chromeos) platforms that do not have
-// a secure storage implementation.
-class UserCloudPolicyStore : public UserCloudPolicyStoreBase {
- public:
-  // Creates a policy store associated with the user signed in to this
-  // |profile|.
-  explicit UserCloudPolicyStore(Profile* profile);
-  virtual ~UserCloudPolicyStore();
-
-  // CloudPolicyStore implementation.
-  virtual void Load() OVERRIDE;
-  virtual void Store(
-      const enterprise_management::PolicyFetchResponse& policy) OVERRIDE;
-
- private:
-  // Starts policy blob validation. |callback| is invoked once validation is
-  // complete.
-  void Validate(
-      scoped_ptr<enterprise_management::PolicyFetchResponse> policy,
-      const UserCloudPolicyValidator::CompletionCallback& callback);
-
-  // Callback invoked to store the policy after validation has finished.
-  void StorePolicyAfterValidation(UserCloudPolicyValidator* validator);
-
-  base::WeakPtrFactory<UserCloudPolicyStore> weak_factory_;
-
-  // Weak pointer to the profile associated with this store.
-  Profile* profile_;
-
-  DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyStore);
-};
-
-}  // namespace policy
-
-#endif  // CHROME_BROWSER_POLICY_USER_CLOUD_POLICY_STORE_H_