Revert 156678 - Native messaging now uses the MessageService back-end.

chrome/browser/extensions/api/messaging/native_process_launcher_posix.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 "chrome/browser/extensions/api/messaging/native_process_launcher.h"
-
-#include "base/command_line.h"
-#include "base/eintr_wrapper.h"
-#include "base/file_util.h"
-#include "base/logging.h"
-#include "base/process_util.h"
-
-namespace extensions {
-
-bool NativeProcessLauncher::LaunchNativeProcess(
-    const FilePath& path,
-    base::ProcessHandle* native_process_handle,
-    NativeMessageProcessHost::FileHandle* read_file,
-    NativeMessageProcessHost::FileHandle* write_file) const {
-  base::FileHandleMappingVector fd_map;
-
-  int read_pipe_fds[2] = {0};
-  if (HANDLE_EINTR(pipe(read_pipe_fds)) != 0) {
-    LOG(ERROR) << "Bad read pipe";
-    return false;
-  }
-  file_util::ScopedFD read_pipe_read_fd(&read_pipe_fds[0]);
-  file_util::ScopedFD read_pipe_write_fd(&read_pipe_fds[1]);
-  fd_map.push_back(std::make_pair(*read_pipe_write_fd, STDOUT_FILENO));
-
-  int write_pipe_fds[2] = {0};
-  if (HANDLE_EINTR(pipe(write_pipe_fds)) != 0) {
-    LOG(ERROR) << "Bad write pipe";
-    return false;
-  }
-  file_util::ScopedFD write_pipe_read_fd(&write_pipe_fds[0]);
-  file_util::ScopedFD write_pipe_write_fd(&write_pipe_fds[1]);
-  fd_map.push_back(std::make_pair(*write_pipe_read_fd, STDIN_FILENO));
-
-  CommandLine line(path);
-  base::LaunchOptions options;
-  options.fds_to_remap = &fd_map;
-  if (!base::LaunchProcess(line, options, native_process_handle)) {
-    LOG(ERROR) << "Error launching process";
-    return false;
-  }
-
-  // We will not be reading from the write pipe, nor writing from the read pipe.
-  write_pipe_read_fd.reset();
-  read_pipe_write_fd.reset();
-
-  *read_file = *read_pipe_read_fd.release();
-  *write_file = *write_pipe_write_fd.release();
-
-  return true;
-}
-
-}  // namespace extensions