Add utf_string_conversions to base namespace.

chrome/browser/first_run/first_run_posix.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/first_run/first_run.h"
 
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 108 matching lines @@
 
 void SetImportPreferencesAndLaunchImport(
     MasterPrefs* out_prefs,
     installer::MasterPreferences* install_prefs) {
   std::string import_bookmarks_path;
   install_prefs->GetString(
       installer::master_preferences::kDistroImportBookmarksFromFilePref,
       &import_bookmarks_path);
   if (!import_bookmarks_path.empty()) {
     // There are bookmarks to import from a file.
-    base::FilePath path = base::FilePath::FromWStringHack(UTF8ToWide(
+    base::FilePath path = base::FilePath::FromWStringHack(base::UTF8ToWide(
         import_bookmarks_path));
     if (!ImportBookmarks(path)) {
       LOG(WARNING) << "silent bookmark import failed";
     }
   }
 }
 
 bool ShowPostInstallEULAIfNeeded(installer::MasterPreferences* install_prefs) {
   // The EULA is only handled on Windows.
   return true;
 }
 
 }  // namespace internal
 }  // namespace first_run
 
 namespace first_run {
 
 // TODO(port): Import switches need to be ported to both Mac and Linux. Not all
 // import switches here are implemented for Linux. None are implemented for Mac
 // (as this function will not be called on Mac).
 int ImportNow(Profile* profile, const CommandLine& cmdline) {
   return internal::ImportBookmarkFromFileIfNeeded(profile, cmdline);
 }
 
 }  // namespace first_run