Add utf_string_conversions to base namespace.

chrome/browser/extensions/external_pref_loader.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/extensions/external_pref_loader.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 22 matching lines @@
   if (!file_util::PathExists(external_extension_search_path)) {
     // Does not have to exist.
     return external_extension_paths;
   }
 
   file_util::FileEnumerator json_files(
       external_extension_search_path,
       false,  // Recursive.
       file_util::FileEnumerator::FILES);
 #if defined(OS_WIN)
-  base::FilePath::StringType extension = UTF8ToWide(std::string(".json"));
+  base::FilePath::StringType extension = base::UTF8ToWide(std::string(".json"));
 #elif defined(OS_POSIX)
   base::FilePath::StringType extension(".json");
 #endif
   do {
     base::FilePath file = json_files.Next();
     if (file.BaseName().value() == kExternalExtensionJson)
       continue;  // Already taken care of elsewhere.
     if (file.empty())
       break;
     if (file.MatchesExtension(extension)) {
@@ skipping 149 matching lines @@
 
   // For each file read the json description & build the proper
   // associated prefs.
   for (std::set<base::FilePath>::const_iterator it = candidates.begin();
        it != candidates.end();
        ++it) {
     base::FilePath extension_candidate_path = base_path_.Append(*it);
 
     std::string id =
 #if defined(OS_WIN)
-        WideToASCII(
+        base::WideToASCII(
             extension_candidate_path.RemoveExtension().BaseName().value());
 #elif defined(OS_POSIX)
         extension_candidate_path.RemoveExtension().BaseName().value().c_str();
 #endif
 
     DVLOG(1) << "Reading json file: "
              << extension_candidate_path.LossyDisplayName().c_str();
 
     JSONFileValueSerializer serializer(extension_candidate_path);
     scoped_ptr<DictionaryValue> ext_prefs(
@@ skipping 21 matching lines @@
   LoadFinished();
 }
 
 ExternalTestingLoader::~ExternalTestingLoader() {}
 
 const base::FilePath ExternalTestingLoader::GetBaseCrxFilePath() {
   return fake_base_path_;
 }
 
 }  // extensions