Add module for counting date-last-roll-call and persisting those counts

components/update_client/test_configurator.h

Index: components/update_client/test_configurator.h
diff --git a/components/update_client/test_configurator.h b/components/update_client/test_configurator.h
index ed5bf32bccef795cb1be2599efc2876ef08f9bbb..8a653794a22f09a30bc454c340052b79a35fb7df 100644
--- a/components/update_client/test_configurator.h
+++ b/components/update_client/test_configurator.h
@@ -17,6 +17,7 @@
 #include "net/url_request/url_request_test_util.h"
 
 class GURL;
+class PrefService;
 
 namespace base {
 class SequencedTaskRunner;
@@ -77,6 +78,7 @@ class TestConfigurator : public Configurator {
   bool UseCupSigning() const override;
   scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner()
       const override;
+  PrefService* GetPrefService() const override;
 
   void SetBrand(const std::string& brand);
   void SetOnDemandTime(int seconds);