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

chrome/browser/policy/user_cloud_policy_store_base.cc

Index: chrome/browser/policy/user_cloud_policy_store_base.cc
===================================================================
--- chrome/browser/policy/user_cloud_policy_store_base.cc	(revision 150390)
+++ chrome/browser/policy/user_cloud_policy_store_base.cc	(working copy)
@@ -1,44 +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.
-
-#include "chrome/browser/policy/user_cloud_policy_store_base.h"
-
-#include "chrome/browser/policy/cloud_policy_constants.h"
-#include "chrome/browser/policy/proto/cloud_policy.pb.h"
-
-namespace policy {
-
-// Decodes a CloudPolicySettings object into a policy map. The implementation is
-// generated code in policy/cloud_policy_generated.cc.
-void DecodePolicy(const enterprise_management::CloudPolicySettings& policy,
-                  PolicyMap* policies);
-
-UserCloudPolicyStoreBase::UserCloudPolicyStoreBase() {
-}
-
-UserCloudPolicyStoreBase::~UserCloudPolicyStoreBase() {
-}
-
-scoped_ptr<UserCloudPolicyValidator> UserCloudPolicyStoreBase::CreateValidator(
-      scoped_ptr<enterprise_management::PolicyFetchResponse> policy,
-      const UserCloudPolicyValidator::CompletionCallback& callback) {
-  // Configure the validator.
-  UserCloudPolicyValidator* validator =
-      UserCloudPolicyValidator::Create(policy.Pass(), callback);
-  validator->ValidatePolicyType(dm_protocol::kChromeUserPolicyType);
-  validator->ValidateAgainstCurrentPolicy(policy_.get());
-  validator->ValidatePayload();
-  return scoped_ptr<UserCloudPolicyValidator>(validator);
-}
-
-void UserCloudPolicyStoreBase::InstallPolicy(
-    scoped_ptr<enterprise_management::PolicyData> policy_data,
-    scoped_ptr<enterprise_management::CloudPolicySettings> payload) {
-  // Decode the payload.
-  policy_map_.Clear();
-  DecodePolicy(*payload, &policy_map_);
-  policy_ = policy_data.Pass();
-}
-
-}  // namespace policy