Prepare to abstract PersistedData by making it part of the configurator.

components/update_client/test_configurator.cc

Index: components/update_client/test_configurator.cc
diff --git a/components/update_client/test_configurator.cc b/components/update_client/test_configurator.cc
index b2bf95ddccb1ed233d802af4be81e215b5da866d..6ef0603fb42aae3ab743a083bcfeae7b495a903f 100644
--- a/components/update_client/test_configurator.cc
+++ b/components/update_client/test_configurator.cc
@@ -8,7 +8,8 @@
 #include "base/single_thread_task_runner.h"
 #include "base/version.h"
 #include "components/prefs/pref_service.h"
-#include "components/update_client/out_of_process_patcher.h"
+#include "components/update_client/component_patcher_operation.h"
+#include "components/update_client/persisted_data.h"
 #include "net/url_request/url_request_test_util.h"
 #include "url/gurl.h"
 
@@ -34,6 +35,7 @@ TestConfigurator::TestConfigurator(
       ondemand_time_(0),
       enabled_cup_signing_(false),
       enabled_component_updates_(true),
+      pref_service_(nullptr),
       context_(new net::TestURLRequestContextGetter(network_task_runner)) {}
 
 TestConfigurator::~TestConfigurator() {
@@ -161,18 +163,22 @@ void TestConfigurator::SetPingUrl(const GURL& url) {
   ping_url_ = url;
 }
 
+void TestConfigurator::SetPrefService(PrefService* pref_service) {
+  pref_service_ = pref_service;
+}
+
 scoped_refptr<base::SequencedTaskRunner>
 TestConfigurator::GetSequencedTaskRunner() const {
   DCHECK(worker_task_runner_.get());
   return worker_task_runner_;
 }
 
-PrefService* TestConfigurator::GetPrefService() const {
-  return nullptr;
-}
-
 bool TestConfigurator::IsPerUserInstall() const {
   return true;
 }
 
+std::unique_ptr<PersistedData> TestConfigurator::CreateMetadata() const {
+  return base::MakeUnique<PersistedData>(pref_service_);
+}
+
 }  // namespace update_client