Move ReadFileToString to the base namespace.

chrome/browser/history/history_unittest_base.cc

 // Copyright (c) 2011 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 <vector>
 
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/history/history_unittest_base.h"
 #include "sql/connection.h"
 
 namespace history {
 
 HistoryUnitTestBase::~HistoryUnitTestBase() {
 }
 
 void HistoryUnitTestBase::ExecuteSQLScript(const base::FilePath& sql_path,
                                            const base::FilePath& db_path) {
   std::string sql;
-  ASSERT_TRUE(file_util::ReadFileToString(sql_path, &sql));
+  ASSERT_TRUE(base::ReadFileToString(sql_path, &sql));
 
   // Replace the 'last_visit_time', 'visit_time', 'time_slot' values in this
   // SQL with the current time.
   int64 now = base::Time::Now().ToInternalValue();
   std::vector<std::string> sql_time;
   sql_time.push_back(base::StringPrintf("%" PRId64, now));  // last_visit_time
   sql_time.push_back(base::StringPrintf("%" PRId64, now));  // visit_time
   sql_time.push_back(base::StringPrintf("%" PRId64, now));  // time_slot
   sql = ReplaceStringPlaceholders(sql, sql_time, NULL);
 
   sql::Connection connection;
   ASSERT_TRUE(connection.Open(db_path));
   ASSERT_TRUE(connection.Execute(sql.c_str()));
 }
 
 HistoryUnitTestBase::HistoryUnitTestBase() {
 }
 
 }  // namespace history