Normalize download file name on chromeos

base/i18n/file_util_icu.cc

Index: base/i18n/file_util_icu.cc
diff --git a/base/i18n/file_util_icu.cc b/base/i18n/file_util_icu.cc
index 0c7c09de340a4c98d86446e3966d65c1242e26e4..31e844b5035466b834567857aa168350e3163888 100644
--- a/base/i18n/file_util_icu.cc
+++ b/base/i18n/file_util_icu.cc
@@ -7,6 +7,7 @@
 #include "base/i18n/file_util_icu.h"
 
 #include "base/file_path.h"
+#include "base/i18n/icu_string_conversions.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
@@ -199,4 +200,15 @@ bool LocaleAwareCompareFilenames(const FilePath& a, const FilePath& b) {
 #endif
 }
 
+void NormalizeFileNameEncoding(FilePath* file_name) {
+#if defined(OS_CHROMEOS)
+  std::string normalized_str;
+  if (base::ConvertToUtf8AndNormalize(file_name->BaseName().value(),
+                                      base::kCodepageUTF8,
+                                      &normalized_str)) {
+    *file_name = file_name->DirName().Append(FilePath(normalized_str));
+  }
+#endif
+}
+
 }  // namespace