Replace FTS in the history_service with a brute force text search.

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 45 matching lines @@
   // 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.
   //
   // The results will be in no particular order.  Also, no duplicate
   // detection is performed, so if |times| has duplicate times,
   // |visits| may have duplicate visits.
   bool GetVisitsForTimes(const std::vector<base::Time>& times,
                          VisitVector* visits);
 
   // Fills all visits in the time range [begin, end) to the given vector. Either
   // time can be is_null(), in which case the times in that direction are
@@ skipping 119 matching lines @@
   bool InitVisitTable();
 
   // Convenience to fill a VisitRow. Assumes the visit values are bound starting
   // at index 0.
   static void FillVisitRow(sql::Statement& statement, VisitRow* visit);
 
   // Convenience to fill a VisitVector. Assumes that statement.step()
   // hasn't happened yet.
   static bool FillVisitVector(sql::Statement& statement, VisitVector* visits);
 
+  // Convenience to fill a VisitVector while respecting the set of options.
+  // Assumes that statement.step() hasn't happened yet.
+  static bool FillVisitVectorWithOptions(sql::Statement& statement,
+                                         const QueryOptions& options,
+                                         VisitVector* visits);
+
   // Called by the derived classes to migrate the older visits table which
   // 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 "
 
-}  // history
+}  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_VISIT_DATABASE_H_