Move ReadFileToString to the base namespace.

chrome/browser/ui/webui/net_internals/net_internals_ui_browsertest.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/ui/webui/net_internals/net_internals_ui_browsertest.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 341 matching lines @@
   g_browser_process->net_log()->AddGlobalEntry(
       net::NetLog::TYPE_NETWORK_IP_ADDRESSES_CHANGED);
   net::BoundNetLog bound_net_log = net::BoundNetLog::Make(
       g_browser_process->net_log(),
       net::NetLog::SOURCE_URL_REQUEST);
   bound_net_log.BeginEvent(net::NetLog::TYPE_REQUEST_ALIVE);
   net_log_logger->StopObserving();
   net_log_logger.reset();
 
   std::string log_contents;
-  ASSERT_TRUE(file_util::ReadFileToString(temp_file, &log_contents));
+  ASSERT_TRUE(base::ReadFileToString(temp_file, &log_contents));
   ASSERT_GT(log_contents.length(), 0u);
 
   scoped_ptr<Value> log_contents_value(new base::StringValue(log_contents));
   RunJavascriptCallback(log_contents_value.get());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NetInternalsTest
 ////////////////////////////////////////////////////////////////////////////////
 
@@ skipping 52 matching lines @@
   GURL url_loader = test_server()->GetURL(replacement_path);
   return url_loader;
 }
 
 bool NetInternalsTest::StartTestServer() {
   if (test_server_started_)
     return true;
   test_server_started_ = test_server()->Start();
   return test_server_started_;
 }