Rename VisitDatabaseObserver to HistoryServiceObserver

components/history/core/browser/history_service_observer.h

Index: components/history/core/browser/history_service_observer.h
diff --git a/components/history/core/browser/history_service_observer.h b/components/history/core/browser/history_service_observer.h
deleted file mode 100644
index 87c758824a80c58955da6c020f41dfc78902ddb3..0000000000000000000000000000000000000000
--- a/components/history/core/browser/history_service_observer.h
+++ /dev/null
@@ -1,37 +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.
-
-#ifndef COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_OBSERVER_H_
-#define COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_OBSERVER_H_
-
-#include "components/history/core/browser/history_types.h"
-#include "ui/base/page_transition_types.h"
-
-namespace base {
-class Time;
-}
-
-namespace history {
-
-class HistoryServiceObserver {
- public:
-  HistoryServiceObserver();
-  virtual ~HistoryServiceObserver();
-
-  // Called when user visits an URL.
-  //
-  // The |row| ID will be set to the value that is currently in effect in the
-  // main history database. |redirects| is the list of redirects leading up to
-  // the URL. If we have a redirect chain A -> B -> C and user is visiting C,
-  // then |redirects[0]=B| and |redirects[1]=A|. If there are no redirects,
-  // |redirects| is an empty vector.
-  virtual void OnURLVisited(ui::PageTransition transition,
-                            const URLRow& row,
-                            const RedirectList& redirects,
-                            base::Time visit_time) = 0;
-};
-
-}  // namespace history
-
-#endif  // COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_SERVICE_OBSERVER_H_