[sql] Allow restricting database to user read access.

chrome/browser/password_manager/login_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/password_manager/login_database.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/command_line.h"
@@ skipping 78 matching lines @@
 }
 
 LoginDatabase::~LoginDatabase() {
 }
 
 bool LoginDatabase::Init(const base::FilePath& db_path) {
   // Set pragmas for a small, private database (based on WebDatabase).
   db_.set_page_size(2048);
   db_.set_cache_size(32);
   db_.set_exclusive_locking();
+  db_.set_restrict_to_user();
 
   if (!db_.Open(db_path)) {
     LOG(WARNING) << "Unable to open the password store database.";
     return false;
   }
 
   sql::Transaction transaction(&db_);
   transaction.Begin();
 
   // Check the database version.
@@ skipping 440 matching lines @@
 std::vector<string16> LoginDatabase::DeserializeVector(const Pickle& p) const {
   std::vector<string16> ret;
   string16 str;
 
   PickleIterator iterator(p);
   while (iterator.ReadString16(&str)) {
     ret.push_back(str);
   }
   return ret;
 }