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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "components/policy/core/common/external_data_fetcher.h"
      6 
      7 #include "base/callback.h"
      8 #include "components/policy/core/common/external_data_manager.h"
      9 
     10 namespace policy {
     11 
     12 ExternalDataFetcher::ExternalDataFetcher(
     13     base::WeakPtr<ExternalDataManager> manager,
     14     const std::string& policy)
     15     : manager_(manager),
     16       policy_(policy) {
     17 }
     18 
     19 ExternalDataFetcher::ExternalDataFetcher(const ExternalDataFetcher& other)
     20     : manager_(other.manager_),
     21       policy_(other.policy_) {
     22 }
     23 
     24 ExternalDataFetcher::~ExternalDataFetcher() {
     25 }
     26 
     27 // static
     28 bool ExternalDataFetcher::Equals(const ExternalDataFetcher* first,
     29                                  const ExternalDataFetcher* second) {
     30   if (!first && !second)
     31     return true;
     32   if (!first || !second)
     33     return false;
     34   return first->manager_.get() == second->manager_.get() &&
     35          first->policy_ == second->policy_;
     36 }
     37 
     38 void ExternalDataFetcher::Fetch(const FetchCallback& callback) const {
     39   if (manager_)
     40     manager_->Fetch(policy_, callback);
     41   else
     42     callback.Run(scoped_ptr<std::string>());
     43 }
     44 
     45 }  // namespace policy
     46