Convert //components/policy from scoped_ptr to std::unique_ptr

components/policy/core/common/cloud/mock_cloud_external_data_manager.cc

Index: components/policy/core/common/cloud/mock_cloud_external_data_manager.cc
diff --git a/components/policy/core/common/cloud/mock_cloud_external_data_manager.cc b/components/policy/core/common/cloud/mock_cloud_external_data_manager.cc
index 9e73e4685c6fb0f073994a2ccfc6bcdf08292d75..7f833831510f868e6246342624614d7c78f284ef 100644
--- a/components/policy/core/common/cloud/mock_cloud_external_data_manager.cc
+++ b/components/policy/core/common/cloud/mock_cloud_external_data_manager.cc
@@ -5,6 +5,7 @@
 #include "components/policy/core/common/cloud/mock_cloud_external_data_manager.h"
 
 #include "base/callback.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "components/policy/core/common/external_data_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
@@ -17,11 +18,11 @@ MockCloudExternalDataManager::MockCloudExternalDataManager() {
 MockCloudExternalDataManager::~MockCloudExternalDataManager() {
 }
 
-scoped_ptr<ExternalDataFetcher>
-    MockCloudExternalDataManager::CreateExternalDataFetcher(
-        const std::string& policy) {
-  return make_scoped_ptr(new ExternalDataFetcher(weak_factory_.GetWeakPtr(),
-                                                 policy));
+std::unique_ptr<ExternalDataFetcher>
+MockCloudExternalDataManager::CreateExternalDataFetcher(
+    const std::string& policy) {
+  return base::WrapUnique(
+      new ExternalDataFetcher(weak_factory_.GetWeakPtr(), policy));
 }
 
 }  // namespace policy