More SQL statement usage regularization. Back-touch some

chrome/browser/history/visitsegment_database.cc

 // 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.
 
 #include "chrome/browser/history/visitsegment_database.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 278 matching lines @@
       "WHERE segments.id = ?"));
 
   if (!statement2.is_valid())
     return;
 
   for (size_t i = 0; i < results->size(); ++i) {
     PageUsageData* pud = (*results)[i];
     statement2.BindInt64(0, pud->GetID());
     if (statement2.Step()) {
       pud->SetURL(GURL(statement2.ColumnString(0)));
-      pud->SetTitle(UTF8ToUTF16(statement2.ColumnString(1)));
+      pud->SetTitle(statement2.ColumnString16(1));
     }
     statement2.Reset();
   }
 }
 
 bool VisitSegmentDatabase::DeleteSegmentData(base::Time older_than) {
   sql::Statement statement(GetDB().GetCachedStatement(SQL_FROM_HERE,
       "DELETE FROM segment_usage WHERE time_slot < ?"));
   statement.BindInt64(0, older_than.LocalMidnight().ToInternalValue());
 
@@ skipping 22 matching lines @@
     return false;
 
   sql::Statement delete_seg(GetDB().GetCachedStatement(SQL_FROM_HERE,
       "DELETE FROM segments WHERE url_id = ?"));
   delete_seg.BindInt64(0, url_id);
 
   return delete_seg.Run();
 }
 
 }  // namespace history