Remove TextDatabase from the history service.

chrome/browser/history/history_service.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.
 
 #ifndef CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 218 matching lines @@
   // The page can be identified by the combination of the pointer to
   // a RenderProcessHost, the page id and the url.
   //
   // The given pointer will not be dereferenced, it is only used for
   // identification purposes, hence it is a void*.
   void UpdateWithPageEndTime(const void* host,
                              int32 page_id,
                              const GURL& url,
                              base::Time end_ts);
 
-  // Indexing ------------------------------------------------------------------
-
-  // Notifies history of the body text of the given recently-visited URL.
-  // If the URL was not visited "recently enough," the history system may
-  // discard it.
-  void SetPageContents(const GURL& url, const string16& contents);
-
   // Querying ------------------------------------------------------------------
 
   // Returns the information about the requested URL. If the URL is found,
   // success will be true and the information will be in the URLRow parameter.
   // On success, the visits, if requested, will be sorted by date. If they have
   // not been requested, the pointer will be valid, but the vector will be
   // empty.
   //
   // If success is false, neither the row nor the vector will be valid.
   typedef base::Callback<void(
@@ skipping 838 matching lines @@
   scoped_ptr<history::InMemoryURLIndex> in_memory_url_index_;
 
   ObserverList<history::VisitDatabaseObserver> visit_database_observers_;
 
   history::DeleteDirectiveHandler delete_directive_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryService);
 };
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_