Use ICU alternatives in net/base/filename_util.cc

TEST=build/android/test_runner.py gtest -s net_unittests --gtest_filter=FilenameUtilTest*

BUG=362608

Review URL: https://codereview.chromium.org/269033002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269347 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 30 insertions, 0 deletions

diff --git a/net/base/filename_util_unsafe.h b/net/base/filename_util_unsafe.h
new file mode 100644
index 0000000..5ca7d7b
--- /dev/null
+++ b/net/base/filename_util_unsafe.h
@@ -0,0 +1,30 @@
+// Copyright 2014 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.
+
+#ifndef NET_BASE_FILENAME_UTIL_UNSAFE_H_
+#define NET_BASE_FILENAME_UTIL_UNSAFE_H_
+
+#include <string>
+
+#include "base/files/file_path.h"
+#include "base/strings/string16.h"
+#include "net/base/net_export.h"
+
+class GURL;
+
+namespace net {
+
+// Extract extension from FilePath generated by GenerateFileName(), but without
+// replacing illegal characters. Does not depend on ICU.
+NET_EXPORT base::FilePath::StringType GenerateFileExtensionUnsafe(
+    const GURL& url,
+    const std::string& content_disposition,
+    const std::string& referrer_charset,
+    const std::string& suggested_name,
+    const std::string& mime_type,
+    const std::string& default_name);
+
+}  // namespace net
+
+#endif  // NET_BASE_FILENAME_UTIL_UNSAFE_H_