Remove TextDatabase from the history service.

chrome/browser/history/visit_database.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_VISIT_DATABASE_H_
 #define CHROME_BROWSER_HISTORY_VISIT_DATABASE_H_
 
 #include <vector>
 
 #include "chrome/browser/history/history_types.h"
@@ skipping 40 matching lines @@
 
   // Updates an existing row. The new information is set on the row, using the
   // VisitID as the key. The visit must exist. Returns true on success.
   bool UpdateVisitRow(const VisitRow& visit);
 
   // Fills in the given vector with all of the visits for the given page ID,
   // sorted in ascending order of date. Returns true on success (although there
   // may still be no matches).
   bool GetVisitsForURL(URLID url_id, VisitVector* visits);
 
-  // Fills in the given vector with all of the visits for the given page ID that
-  // have the |is_indexed| field set to true, in no particular order.
-  // Returns true on success (although there may still be no matches).
-  bool GetIndexedVisitsForURL(URLID url_id, VisitVector* visits);
-
   // Fills in the given vector with the visits for the given page ID which
   // match the set of options passed, sorted in ascending order of date.
   //
   // Returns true if there are more results available, i.e. if the number of
   // results was restricted by |options.max_count|.
   bool GetVisitsForURLWithOptions(URLID url_id,
                                   const QueryOptions& options,
                                   VisitVector* visits);
 
   // Fills the vector with all visits with times in the given list.
@@ skipping 147 matching lines @@
   // don't have visit_duration column yet.
   bool MigrateVisitsWithoutDuration();
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(VisitDatabase);
 };
 
 // Rows, in order, of the visit table.
 #define HISTORY_VISIT_ROW_FIELDS \
-    " id,url,visit_time,from_visit,transition,segment_id,is_indexed," \
-    "visit_duration "
+    " id,url,visit_time,from_visit,transition,segment_id,visit_duration "
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_VISIT_DATABASE_H_