Normalize download file name on chromeos

base/i18n/file_util_icu.cc

 // Copyright (c) 2011 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.
 
 // File utilities that use the ICU library go in this file.
 
 #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"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "base/sys_string_conversions.h"
 #include "build/build_config.h"
 #include "unicode/coll.h"
 #include "unicode/uniset.h"
 
@@ skipping 172 matching lines @@
   // strings to UTF-16 ourselves to ensure conversion consistency.
   // TODO(yuzo): Perhaps we should define SysNativeMBToUTF16?
   return LocaleAwareComparator::GetInstance()->Compare(
       WideToUTF16(base::SysNativeMBToWide(a.value().c_str())),
       WideToUTF16(base::SysNativeMBToWide(b.value().c_str()))) < 0;
 #else
   #error Not implemented on your system
 #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