Completed the code path from AndroidProviderService to HistoryBackend.

chrome/browser/history/history_marshaling.h

 // 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_
 #pragma once
 
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/cancelable_request.h"
 #include "chrome/browser/favicon/favicon_service.h"
 #include "chrome/browser/history/history.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::QueryURLCallback,
                            Tuple2<URLRow, VisitVector> >
     QueryURLRequest;
 
 typedef CancelableRequest1<HistoryService::QueryHistoryCallback,
                            QueryResults>
@@ skipping 60 matching lines @@
 
 // The argument here is an input value, which is the task to run on the
 // background thread. The callback is used to execute the portion of the task
 // that executes on the main thread.
 typedef CancelableRequest1<base::Closure, scoped_refptr<HistoryDBTask> >
     HistoryDBTaskRequest;
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_MARSHALING_H_