Rename VisitDatabaseObserver to HistoryServiceObserver

chrome/browser/history/history_unittest.cc

Index: chrome/browser/history/history_unittest.cc
diff --git a/chrome/browser/history/history_unittest.cc b/chrome/browser/history/history_unittest.cc
index ee057434e3e2ec3cd47cd7ed9f32169c21da8ec2..36c756a9cca0d4239e2d5ac03c911112c9a2bb7d 100644
--- a/chrome/browser/history/history_unittest.cc
+++ b/chrome/browser/history/history_unittest.cc
@@ -101,12 +101,11 @@ class BackendDelegate : public HistoryBackend::Delegate {
                                 const URLRow& row,
                                 const RedirectList& redirects,
                                 base::Time visit_time) OVERRIDE {}
+  virtual void NotifyAddVisit(const BriefVisitInfo& info) OVERRIDE {}
   virtual void BroadcastNotifications(
       int type,
       scoped_ptr<HistoryDetails> details) OVERRIDE;
   virtual void DBLoaded() OVERRIDE {}
-  virtual void NotifyVisitDBObserversOnAddVisit(
-      const BriefVisitInfo& info) OVERRIDE {}
  private:
   HistoryBackendDBTest* history_test_;
 };