Remove NOTIFICATION_HISTORY_URLS_DELETED

chrome/browser/history/history_details.h

Index: chrome/browser/history/history_details.h
diff --git a/chrome/browser/history/history_details.h b/chrome/browser/history/history_details.h
deleted file mode 100644
index a93fbd7e5e31d32b828eef3919fa5fa1e5f94485..0000000000000000000000000000000000000000
--- a/chrome/browser/history/history_details.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2013 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 CHROME_BROWSER_HISTORY_HISTORY_DETAILS_H_
-#define CHROME_BROWSER_HISTORY_HISTORY_DETAILS_H_
-
-namespace history {
-
-// Base class for history notifications. This needs only a virtual destructor
-// so that the history service's broadcaster can delete it when the request
-// is complete.
-struct HistoryDetails {
- public:
-  virtual ~HistoryDetails() {}
-};
-
-}  // namespace history
-
-#endif  // CHROME_BROWSER_HISTORY_HISTORY_DETAILS_H_