Remove dead code

chrome/browser/history/history_marshaling.h

Index: chrome/browser/history/history_marshaling.h
diff --git a/chrome/browser/history/history_marshaling.h b/chrome/browser/history/history_marshaling.h
deleted file mode 100644
index 6cf6a415c8e8b67840598fb0d8df2077c335759e..0000000000000000000000000000000000000000
--- a/chrome/browser/history/history_marshaling.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright (c) 2012 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.
-
-// Data structures for communication between the history service on the main
-// thread and the backend on the history thread.
-
-#ifndef CHROME_BROWSER_HISTORY_HISTORY_MARSHALING_H_
-#define CHROME_BROWSER_HISTORY_HISTORY_MARSHALING_H_
-
-#include "base/memory/scoped_vector.h"
-#include "chrome/browser/common/cancelable_request.h"
-#include "chrome/browser/history/history_service.h"
-#include "chrome/browser/history/page_usage_data.h"
-
-#if defined(OS_ANDROID)
-#include "chrome/browser/history/history_marshaling_android.h"
-#endif
-
-namespace history {
-
-// Querying -------------------------------------------------------------------
-
-typedef CancelableRequest1<HistoryService::QueryMostVisitedURLsCallback,
-                           history::MostVisitedURLList>
-    QueryMostVisitedURLsRequest;
-
-}  // namespace history
-
-#endif  // CHROME_BROWSER_HISTORY_HISTORY_MARSHALING_H_