Move ReadFileToString to the base namespace.

chrome/test/chromedriver/chrome_launcher_unittest.cc

 // Copyright (c) 2013 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 "base/base64.h"
 #include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 18 matching lines @@
   ASSERT_EQ(0u, bg_pages.size());
 }
 
 bool AddExtensionForInstall(const std::string& relative_path,
                             std::vector<std::string>* extensions) {
   base::FilePath source_root;
   PathService::Get(base::DIR_SOURCE_ROOT, &source_root);
   base::FilePath crx_file_path = source_root.AppendASCII(
       "chrome/test/data/chromedriver/" + relative_path);
   std::string crx_contents;
-  if (!file_util::ReadFileToString(crx_file_path, &crx_contents))
+  if (!base::ReadFileToString(crx_file_path, &crx_contents))
     return false;
 
   std::string crx_encoded;
   if (!base::Base64Encode(crx_contents, &crx_encoded))
     return false;
   extensions->push_back(crx_encoded);
   return true;
 }
 
 TEST(ProcessExtensions, SingleExtensionWithBgPage) {
   std::vector<std::string> extensions;
   ASSERT_TRUE(AddExtensionForInstall("ext_slow_loader.crx", &extensions));
 
   base::ScopedTempDir extension_dir;
   ASSERT_TRUE(extension_dir.CreateUniqueTempDir());
 
   CommandLine command(CommandLine::NO_PROGRAM);
   std::vector<std::string> bg_pages;
   Status status = internal::ProcessExtensions(extensions, extension_dir.path(),
                                               false, &command, &bg_pages);
   ASSERT_TRUE(status.IsOk());
   ASSERT_TRUE(command.HasSwitch("load-extension"));
   base::FilePath temp_ext_path = command.GetSwitchValuePath("load-extension");
   ASSERT_TRUE(base::PathExists(temp_ext_path));
   std::string manifest_txt;
-  ASSERT_TRUE(file_util::ReadFileToString(
+  ASSERT_TRUE(base::ReadFileToString(
       temp_ext_path.AppendASCII("manifest.json"), &manifest_txt));
   scoped_ptr<base::Value> manifest(base::JSONReader::Read(manifest_txt));
   ASSERT_TRUE(manifest);
   base::DictionaryValue* manifest_dict = NULL;
   ASSERT_TRUE(manifest->GetAsDictionary(&manifest_dict));
   std::string key;
   ASSERT_TRUE(manifest_dict->GetString("key", &key));
   ASSERT_EQ(
       "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8qhZthEHjTIA3IYMzi79s2KFepVziY0du"
       "JzHcqRUB/YHSGseIUqcYXGazJhDz/"
@@ skipping 53 matching lines @@
   base::DictionaryValue local_state;
   local_state.SetString("myLocalKey", "ok");
   local_state.SetStringWithoutPathExpansion("local.state.sub", "2");
   Status status = internal::PrepareUserDataDir(
       temp_dir.path(), &prefs, &local_state);
   ASSERT_EQ(kOk, status.code());
 
   base::FilePath prefs_file =
       temp_dir.path().AppendASCII("Default").AppendASCII("Preferences");
   std::string prefs_str;
-  ASSERT_TRUE(file_util::ReadFileToString(prefs_file, &prefs_str));
+  ASSERT_TRUE(base::ReadFileToString(prefs_file, &prefs_str));
   scoped_ptr<base::Value> prefs_value(base::JSONReader::Read(prefs_str));
   const base::DictionaryValue* prefs_dict = NULL;
   ASSERT_TRUE(prefs_value->GetAsDictionary(&prefs_dict));
   AssertEQ(*prefs_dict, "myPrefsKey", "ok");
   AssertEQ(*prefs_dict, "pref.sub", "1");
 
   base::FilePath local_state_file = temp_dir.path().AppendASCII("Local State");
   std::string local_state_str;
-  ASSERT_TRUE(file_util::ReadFileToString(local_state_file, &local_state_str));
+  ASSERT_TRUE(base::ReadFileToString(local_state_file, &local_state_str));
   scoped_ptr<base::Value> local_state_value(
       base::JSONReader::Read(local_state_str));
   const base::DictionaryValue* local_state_dict = NULL;
   ASSERT_TRUE(local_state_value->GetAsDictionary(&local_state_dict));
   AssertEQ(*local_state_dict, "myLocalKey", "ok");
   AssertEQ(*local_state_dict, "local.state.sub", "2");
 }