Introduce HistoryClient interface

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 4e394fc242c26e787c59b04de1df694cae081d28..1182f8367dc4b5f7e913c077043ce9875bfe6d99 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -30,6 +30,7 @@
 #include "chrome/browser/geolocation/chrome_geolocation_permission_context_factory.h"
 #include "chrome/browser/guest_view/guest_view_manager.h"
 #include "chrome/browser/history/history_backend.h"
+#include "chrome/browser/history/history_client_factory.h"
 #include "chrome/browser/history/history_db_task.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/history_service_factory.h"
@@ -427,7 +428,9 @@ void TestingProfile::CreateFaviconService() {
 }
 
 static KeyedService* BuildHistoryService(content::BrowserContext* profile) {
-  return new HistoryService(static_cast<Profile*>(profile));
+  return new HistoryService(
+      HistoryClientFactory::GetForProfile(static_cast<Profile*>(profile)),
+      static_cast<Profile*>(profile));
 }
 
 bool TestingProfile::CreateHistoryService(bool delete_file, bool no_db) {