Deleted OS_WIN and all Windows specific files from base.

base/i18n/file_util_icu_unittest.cc

Index: base/i18n/file_util_icu_unittest.cc
diff --git a/base/i18n/file_util_icu_unittest.cc b/base/i18n/file_util_icu_unittest.cc
index 8fa7f6a261dc460f2165034911bf06a9e2e95872..e772efa3c4d73d31c36bc81de978224791387d06 100644
--- a/base/i18n/file_util_icu_unittest.cc
+++ b/base/i18n/file_util_icu_unittest.cc
@@ -78,19 +78,13 @@ static const struct goodbad_pair {
     {L".    ", L"-   -"}
 };
 
-#if defined(OS_WIN) || defined(OS_MACOSX)
+#if defined(OS_MACOSX)
 
 TEST_F(FileUtilICUTest, ReplaceIllegalCharactersInPathTest) {
   for (size_t i = 0; i < arraysize(kIllegalCharacterCases); ++i) {
-#if defined(OS_WIN)
-    std::wstring bad_name(kIllegalCharacterCases[i].bad_name);
-    ReplaceIllegalCharactersInPath(&bad_name, '-');
-    EXPECT_EQ(kIllegalCharacterCases[i].good_name, bad_name);
-#elif defined(OS_MACOSX)
     std::string bad_name(WideToUTF8(kIllegalCharacterCases[i].bad_name));
     ReplaceIllegalCharactersInPath(&bad_name, '-');
     EXPECT_EQ(WideToUTF8(kIllegalCharacterCases[i].good_name), bad_name);
-#endif
   }
 }