Introduce HistoryClient interface

chrome/browser/sync/glue/bookmark_data_type_controller_unittest.cc

Index: chrome/browser/sync/glue/bookmark_data_type_controller_unittest.cc
diff --git a/chrome/browser/sync/glue/bookmark_data_type_controller_unittest.cc b/chrome/browser/sync/glue/bookmark_data_type_controller_unittest.cc
index 4e2e4618ace83510f79fcf4f3b3f2a71511d317d..36fd925e5940840d027187be9b040052339c51c3 100644
--- a/chrome/browser/sync/glue/bookmark_data_type_controller_unittest.cc
+++ b/chrome/browser/sync/glue/bookmark_data_type_controller_unittest.cc
@@ -51,7 +51,8 @@ namespace {
 
 class HistoryMock : public HistoryService {
  public:
-  explicit HistoryMock(Profile* profile) : HistoryService(profile) {}
+  explicit HistoryMock(history::HistoryClient* client, Profile* profile)
+      : HistoryService(client, profile) {}
   MOCK_METHOD0(BackendLoaded, bool(void));
 
  protected:
@@ -81,7 +82,7 @@ KeyedService* BuildBookmarkModelWithoutLoading(
 }
 
 KeyedService* BuildHistoryService(content::BrowserContext* profile) {
-  return new HistoryMock(static_cast<Profile*>(profile));
+  return new HistoryMock(NULL, static_cast<Profile*>(profile));
 }
 
 }  // namespace