Normalize download file name on chromeos

net/base/net_util.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.
 
 #include "net/base/net_util.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 
@@ skipping 1487 matching lines @@
                                             referrer_charset,
                                             suggested_name,
                                             mime_type,
                                             default_file_name);
 
 #if defined(OS_WIN)
   FilePath generated_name(file_name);
 #else
   FilePath generated_name(base::SysWideToNativeMB(UTF16ToWide(file_name)));
 #endif
+
+#if defined(OS_CHROMEOS)
+  // When doing file manager operations on ChromeOS, the file paths get
+  // normalized in WebKit layer, so let's ensure downloaded files have
+  // normalized names. Otherwise, we won't be able to handle files with NFD
+  // utf8 encoded characters in name.
+  file_util::NormalizeFileNameEncoding(&generated_name);
+#endif
+
   DCHECK(!generated_name.empty());
 
   return generated_name;
 }
 
 bool IsPortAllowedByDefault(int port) {
   int array_size = arraysize(kRestrictedPorts);
   for (int i = 0; i < array_size; i++) {
     if (kRestrictedPorts[i] == port) {
       return false;
@@ skipping 894 matching lines @@
 
 NetworkInterface::NetworkInterface(const std::string& name,
                                    const IPAddressNumber& address)
     : name(name), address(address) {
 }
 
 NetworkInterface::~NetworkInterface() {
 }
 
 }  // namespace net