Switch to using .pak files for locale data on Windows.

ui/base/l10n/l10n_util_unittest.cc

Index: ui/base/l10n/l10n_util_unittest.cc
diff --git a/ui/base/l10n/l10n_util_unittest.cc b/ui/base/l10n/l10n_util_unittest.cc
index 778476c72e88dee5d5f82ea5f89cd08a33a9cc51..8ab08d5998908643cdaf7fc26f5d628bc6335539 100644
--- a/ui/base/l10n/l10n_util_unittest.cc
+++ b/ui/base/l10n/l10n_util_unittest.cc
@@ -90,7 +90,7 @@ void SetDefaultLocaleForTest(const std::string& tag, base::Environment* env) {
 TEST_F(L10nUtilTest, GetAppLocale) {
   scoped_ptr<base::Environment> env;
   // Use a temporary locale dir so we don't have to actually build the locale
-  // dlls for this test.
+  // pak files for this test.
   FilePath orig_locale_dir;
   PathService::Get(ui::DIR_LOCALES, &orig_locale_dir);
   FilePath new_locale_dir;
@@ -115,14 +115,9 @@ TEST_F(L10nUtilTest, GetAppLocale) {
     "ca@valencia",
   };
 
-#if defined(OS_WIN)
-  static const char kLocaleFileExtension[] = ".dll";
-#elif defined(OS_POSIX)
-  static const char kLocaleFileExtension[] = ".pak";
-#endif
   for (size_t i = 0; i < arraysize(filenames); ++i) {
     FilePath filename = new_locale_dir.AppendASCII(
-        filenames[i] + kLocaleFileExtension);
+        filenames[i] + ".pak");
     file_util::WriteFile(filename, "", 0);
   }