Add CloudExternalDataPolicyObserverChromeOS

chrome/browser/policy/cloud/mock_cloud_external_data_manager.h

 // Copyright 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_MOCK_CLOUD_EXTERNAL_DATA_MANAGER_H_
 #define CHROME_BROWSER_POLICY_CLOUD_MOCK_CLOUD_EXTERNAL_DATA_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/policy/cloud/cloud_external_data_manager.h"
 #include "components/policy/core/common/external_data_fetcher.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace policy {
 
+class ExternalDataFetcher;
+
 class MockCloudExternalDataManager : public CloudExternalDataManager {
  public:
   MockCloudExternalDataManager();
   virtual ~MockCloudExternalDataManager();
 
   MOCK_METHOD0(OnPolicyStoreLoaded, void(void));
   MOCK_METHOD1(Connect, void(scoped_refptr<net::URLRequestContextGetter>));
   MOCK_METHOD0(Disconnect, void(void));
   MOCK_METHOD2(Fetch, void(const std::string&,
                            const ExternalDataFetcher::FetchCallback&));
 
+  scoped_ptr<ExternalDataFetcher> CreateExternalDataFetcher(
+      const std::string& policy);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCloudExternalDataManager);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_MOCK_CLOUD_EXTERNAL_DATA_MANAGER_H_