Add utf_string_conversions to base namespace.

chrome/browser/download/download_prefs.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/download/download_prefs.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 51 matching lines @@
   // download completion in this pref.
   std::string extensions_to_open =
       prefs->GetString(prefs::kDownloadExtensionsToOpen);
   std::vector<std::string> extensions;
   base::SplitString(extensions_to_open, ':', &extensions);
 
   for (size_t i = 0; i < extensions.size(); ++i) {
 #if defined(OS_POSIX)
     base::FilePath path(extensions[i]);
 #elif defined(OS_WIN)
-    base::FilePath path(UTF8ToWide(extensions[i]));
+    base::FilePath path(base::UTF8ToWide(extensions[i]));
 #endif
     if (!extensions[i].empty() &&
         download_util::GetFileDangerLevel(path) == download_util::NotDangerous)
       auto_open_.insert(path.value());
   }
 }
 
 DownloadPrefs::~DownloadPrefs() {
   SaveAutoOpenState();
 }
@@ skipping 106 matching lines @@
 }
 
 void DownloadPrefs::SaveAutoOpenState() {
   std::string extensions;
   for (AutoOpenSet::iterator it = auto_open_.begin();
        it != auto_open_.end(); ++it) {
 #if defined(OS_POSIX)
     std::string this_extension = *it;
 #elif defined(OS_WIN)
     // TODO(phajdan.jr): Why we're using Sys conversion here, but not in ctor?
-    std::string this_extension = base::SysWideToUTF8(*it);
+    std::string this_extension = base::Sysbase::WideToUTF8(*it);
 #endif
     extensions += this_extension + ":";
   }
   if (!extensions.empty())
     extensions.erase(extensions.size() - 1);
 
   profile_->GetPrefs()->SetString(prefs::kDownloadExtensionsToOpen, extensions);
 }
 
 bool DownloadPrefs::AutoOpenCompareFunctor::operator()(
     const base::FilePath::StringType& a,
     const base::FilePath::StringType& b) const {
   return base::FilePath::CompareLessIgnoreCase(a, b);
 }