Refactored the ComponentCloudPolicyService.

chrome/browser/policy/cloud/component_cloud_policy_updater.h

 // Copyright (c) 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_CLOUD_COMPONENT_CLOUD_POLICY_UPDATER_H_
 #define CHROME_BROWSER_POLICY_CLOUD_COMPONENT_CLOUD_POLICY_UPDATER_H_
 
+#include <string>
+
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/policy/cloud/external_policy_data_updater.h"
+#include "components/policy/core/common/policy_namespace.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace enterprise_management {
 class PolicyFetchResponse;
 }
 
 namespace policy {
@@ skipping 17 matching lines @@
       ComponentCloudPolicyStore* store);
   ~ComponentCloudPolicyUpdater();
 
   // |response| is the latest policy information fetched for some component.
   // This method schedules the download of the policy data, if |response| is
   // validated. If the downloaded data also passes validation then that data
   // will be passed to the |store_|.
   void UpdateExternalPolicy(
       scoped_ptr<enterprise_management::PolicyFetchResponse> response);
 
+  // Cancels any pending operations for the given namespace.
+  void CancelUpdate(const PolicyNamespace& ns);
+
  private:
+  std::string NamespaceToKey(const PolicyNamespace& ns);
+
   ComponentCloudPolicyStore* store_;
   ExternalPolicyDataUpdater external_policy_data_updater_;
 
   DISALLOW_COPY_AND_ASSIGN(ComponentCloudPolicyUpdater);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_COMPONENT_CLOUD_POLICY_UPDATER_H_