Move ReadFileToString to the base namespace.

chrome/browser/sync/test/integration/sync_test.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/sync/test/integration/sync_test.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 389 matching lines @@
   mock_host_resolver_override_.reset();
 }
 
 void SyncTest::ReadPasswordFile() {
   CommandLine* cl = CommandLine::ForCurrentProcess();
   password_file_ = cl->GetSwitchValuePath(switches::kPasswordFileForTest);
   if (password_file_.empty())
     LOG(FATAL) << "Can't run live server test without specifying --"
                << switches::kPasswordFileForTest << "=<filename>";
   std::string file_contents;
-  file_util::ReadFileToString(password_file_, &file_contents);
+  base::ReadFileToString(password_file_, &file_contents);
   ASSERT_NE(file_contents, "") << "Password file \""
       << password_file_.value() << "\" does not exist.";
   std::vector<std::string> tokens;
   std::string delimiters = "\r\n";
   Tokenize(file_contents, delimiters, &tokens);
   ASSERT_EQ(2U, tokens.size()) << "Password file \""
       << password_file_.value()
       << "\" must contain exactly two lines of text.";
   username_ = tokens[0];
   password_ = tokens[1];
@@ skipping 411 matching lines @@
 
 void SyncTest::SetProxyConfig(net::URLRequestContextGetter* context_getter,
                               const net::ProxyConfig& proxy_config) {
   base::WaitableEvent done(false, false);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&SetProxyConfigCallback, &done,
                  make_scoped_refptr(context_getter), proxy_config));
   done.Wait();
 }