Make all new history index files use FTS3 instead of FTS2....

chrome/browser/history/text_database.cc

 // Copyright (c) 2009 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.
 
 #include <limits>
 #include <set>
 #include <string>
 
 #include "chrome/browser/history/text_database.h"
 
@@ skipping 151 matching lines @@
   db_.BeginTransaction();
 }
 
 void TextDatabase::CommitTransaction() {
   db_.CommitTransaction();
 }
 
 bool TextDatabase::CreateTables() {
   // FTS table of page contents.
   if (!db_.DoesTableExist("pages")) {
-    if (!db_.Execute("CREATE VIRTUAL TABLE pages USING fts2("
+    if (!db_.Execute("CREATE VIRTUAL TABLE pages USING fts3("
                      "TOKENIZE icu,"
                      "url LONGVARCHAR,"
                      "title LONGVARCHAR,"
                      "body LONGVARCHAR)"))
       return false;
   }
 
   // Non-FTS table containing URLs and times so we can efficiently find them
   // using a regular index (all FTS columns are special and are treated as
   // full-text-search, which is not what we want when retrieving this data).
@@ skipping 184 matching lines @@
   } else {
     // Since we got the results in order, we know the last item is the last
     // time we considered.
     *first_time_searched = results->back().time;
   }
 
   statement.Reset();
 }
 
 }  // namespace history