Add CloudExternalDataPolicyObserverChromeOS

chrome/browser/policy/cloud/mock_cloud_external_data_manager.h

Index: chrome/browser/policy/cloud/mock_cloud_external_data_manager.h
diff --git a/chrome/browser/policy/cloud/mock_cloud_external_data_manager.h b/chrome/browser/policy/cloud/mock_cloud_external_data_manager.h
index 472e760efff0d4e326df6ce9c2f3138dd0859523..c1e3c10e5a760d91ce4a2b142aebede5826c1fac 100644
--- a/chrome/browser/policy/cloud/mock_cloud_external_data_manager.h
+++ b/chrome/browser/policy/cloud/mock_cloud_external_data_manager.h
@@ -9,6 +9,7 @@
 
 #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"
@@ -19,6 +20,8 @@ class URLRequestContextGetter;
 
 namespace policy {
 
+class ExternalDataFetcher;
+
 class MockCloudExternalDataManager : public CloudExternalDataManager {
  public:
   MockCloudExternalDataManager();
@@ -30,6 +33,9 @@ class MockCloudExternalDataManager : public CloudExternalDataManager {
   MOCK_METHOD2(Fetch, void(const std::string&,
                            const ExternalDataFetcher::FetchCallback&));
 
+  scoped_ptr<ExternalDataFetcher> CreateExternalDataFetcher(
+      const std::string& policy);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCloudExternalDataManager);
 };