Extract PepperFileSystemTypeToFileSystemType() from ppapi.

content/common/pepper_file_util.h

Index: content/common/pepper_file_util.h
diff --git a/content/common/pepper_file_util.h b/content/common/pepper_file_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..7766332f9bd718b221f0f60d0bcd011d92ca1216
--- /dev/null
+++ b/content/common/pepper_file_util.h
@@ -0,0 +1,18 @@
+// 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 CONTENT_COMMON_PEPPER_FILE_UTIL_H_
+#define CONTENT_COMMON_PEPPER_FILE_UTIL_H_
+
+#include "ppapi/c/pp_file_info.h"
+#include "webkit/common/fileapi/file_system_types.h"
+
+namespace content {
+
+fileapi::FileSystemType PepperFileSystemTypeToFileSystemType(
+    PP_FileSystemType type);
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_PEPPER_FILE_UTIL_H_