Installer refactoring: using string16 instead of wstring for GoogleUpdateSettings.

chrome/installer/util/language_selector.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.
 //
 // This file defines a helper class for selecting a supported language from a
 // set of candidates.
 
 #include "chrome/installer/util/language_selector.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/logging.h"
+#include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/win/i18n.h"
 #include "chrome/installer/util/google_update_settings.h"
 
 #include "installer_util_strings.h"
 
 namespace {
 
 struct LangToOffset {
   const wchar_t* language;
@@ skipping 159 matching lines @@
           &kLanguageToOffsetWildcards[0],
           &kLanguageToOffsetWildcards[arraysize(kLanguageToOffsetWildcards)],
           primary_language, offset);
 }
 
 // Adds to |candidates| the eligible languages on the system.  Any language
 // setting specified by Omaha takes precedence over the operating system's
 // configured languages.
 void GetCandidatesFromSystem(std::vector<std::wstring>* candidates) {
   DCHECK(candidates);
-  std::wstring language;
+  base::string16 language;
 
   // Omaha gets first pick.
   GoogleUpdateSettings::GetLanguage(&language);
   if (!language.empty()) {
     candidates->push_back(language);
   }
 
   // Now try the Windows UI languages.  Use the thread preferred since that will
   // kindly return us a list of all kinds of fallbacks.
   base::win::i18n::GetThreadPreferredUILanguageList(candidates);
@@ skipping 82 matching lines @@
     VLOG(1) << "No suitable language found for any candidates.";
 
     // Our fallback is "en-us"
     matched_candidate_.assign(&kFallbackLanguage[0],
                               arraysize(kFallbackLanguage) - 1);
     offset_ = kFallbackLanguageOffset;
   }
 }
 
 }  // namespace installer