Move more files from chrome/browser/nacl_host/ to components/nacl/browser/

chrome/browser/nacl_host/nacl_file_host.h

-// 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 CHROME_BROWSER_NACL_HOST_NACL_FILE_HOST_H_
-#define CHROME_BROWSER_NACL_HOST_NACL_FILE_HOST_H_
-
-#include <string>
-
-#include "base/memory/ref_counted.h"
-
-class GURL;
-class NaClHostMessageFilter;
-
-namespace base {
-class FilePath;
-}
-
-namespace IPC {
-class Message;
-}
-
-// Opens NaCl Files in the Browser process, on behalf of the NaCl plugin.
-
-namespace nacl_file_host {
-
-// Open a PNaCl file (readonly) on behalf of the NaCl plugin.
-void GetReadonlyPnaclFd(
-    scoped_refptr<NaClHostMessageFilter> nacl_host_message_filter,
-    const std::string& filename,
-    IPC::Message* reply_msg);
-
-// Return true if the filename requested is valid for opening.
-// Sets file_to_open to the base::FilePath which we will attempt to open.
-bool PnaclCanOpenFile(const std::string& filename,
-                      base::FilePath* file_to_open);
-
-// Opens a NaCl executable file for reading and executing.
-void OpenNaClExecutable(
-    scoped_refptr<NaClHostMessageFilter> nacl_host_message_filter,
-    int render_view_id,
-    const GURL& file_url,
-    IPC::Message* reply_msg);
-
-}  // namespace nacl_file_host
-
-#endif  // CHROME_BROWSER_NACL_HOST_NACL_FILE_HOST_H_