Rename VisitDatabaseObserver to HistoryServiceObserver

components/history/core/browser/history_service_observer.cc

Index: components/history/core/browser/history_service_observer.cc
diff --git a/components/history/core/browser/history_service_observer.cc b/components/history/core/browser/history_service_observer.cc
deleted file mode 100644
index 45ca6853a0ab91d6da3627c252acadbe67f71e76..0000000000000000000000000000000000000000
--- a/components/history/core/browser/history_service_observer.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "components/history/core/browser/history_service_observer.h"
-
-namespace history {
-
-HistoryServiceObserver::HistoryServiceObserver() {
-}
-
-HistoryServiceObserver::~HistoryServiceObserver() {
-}
-
-}  // namespace history