Implement media path filter

webkit/fileapi/media/media_path_filter.h

Index: webkit/fileapi/media/media_path_filter.h
diff --git a/webkit/fileapi/media/media_path_filter.h b/webkit/fileapi/media/media_path_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..003e9797cd89b09400453dbe9574db1880cdf27b
--- /dev/null
+++ b/webkit/fileapi/media/media_path_filter.h
@@ -0,0 +1,35 @@
+// 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.
+
+#ifndef WEBKIT_FILEAPI_MEDIA_MEDIA_PATH_FILTER_H_
+#define WEBKIT_FILEAPI_MEDIA_MEDIA_PATH_FILTER_H_
+
+#include <vector>
+
+#include "base/file_path.h"
+#include "webkit/fileapi/fileapi_export.h"
+
+class FilePath;
+
+namespace fileapi {
+
+// This class holds the list of file path extensions that we should expose on
+// media filesystem.
+class FILEAPI_EXPORT MediaPathFilter {
+ public:
+  MediaPathFilter();
+  ~MediaPathFilter();
+  bool Match(const FilePath& path) const;
+
+ private:
+  typedef std::vector<FilePath::StringType> MediaFileExtensionList;
+
+  MediaFileExtensionList media_file_extensions_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaPathFilter);
+};
+
+}  // namespace fileapi
+
+#endif  // WEBKIT_FILEAPI_MEDIA_MEDIA_PATH_FILTER_H_