Delete some unused code found by -Wunused-function

chrome/browser/webdata/keyword_table.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/webdata/keyword_table.h"
 
 #include <set>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 83 matching lines @@
   s->BindString(starting_column + 8, JoinString(data.input_encodings, ';'));
   s->BindBool(starting_column + 9, data.show_in_default_list);
   s->BindString(starting_column + 10, data.suggestions_url);
   s->BindInt(starting_column + 11, data.prepopulate_id);
   s->BindBool(starting_column + 12, data.created_by_policy);
   s->BindString(starting_column + 13, data.instant_url);
   s->BindInt64(starting_column + 14, data.last_modified.ToTimeT());
   s->BindString(starting_column + 15, data.sync_guid);
 }
 
-// Signs search provider id and returns its signature.
-std::string GetSearchProviderIDSignature(int64 id) {
-  return protector::SignSetting(base::Int64ToString(id));
-}
-
-// Checks if signature for search provider id is correct and returns the
-// result.
-bool IsSearchProviderIDValid(int64 id, const std::string& signature) {
-  return protector::IsSettingValid(base::Int64ToString(id), signature);
-}
-
 }  // anonymous namespace
 
 KeywordTable::KeywordTable(sql::Connection* db, sql::MetaTable* meta_table)
     : WebDatabaseTable(db, meta_table),
       backup_overwritten_(false) {
 }
 
 KeywordTable::~KeywordTable() {}
 
 bool KeywordTable::Init() {
@@ skipping 505 matching lines @@
     }
   }
 
   // Replace the old table with the new one.
   sql = "DROP TABLE " + name;
   if (!db_->Execute(sql.c_str()))
     return false;
   sql = "ALTER TABLE keywords_temp RENAME TO " + name;
   return db_->Execute(sql.c_str());
 }