Move chrome/browser/chromeos/process_proxy to chromeos

chrome/browser/chromeos/process_proxy/process_proxy.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_CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_H_
-#define CHROME_BROWSER_CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_H_
-
-#include <fcntl.h>
-#include <signal.h>
-
-#include <cstdio>
-#include <string>
-
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/chromeos/process_proxy/process_output_watcher.h"
-
-namespace base {
-class Thread;
-}  // namespace base
-
-
-// Proxy to a single ChromeOS process.
-// This is refcounted. Note that output watcher, when it gets triggered owns a
-// a callback with ref to this, so in order for this to be freed, the watcher
-// must be destroyed. This is done in Close.
-class ProcessProxy : public base::RefCountedThreadSafe<ProcessProxy> {
- public:
-  ProcessProxy();
-
-  // Opens a process using command |command|. |pid| is set to new process' pid.
-  bool Open(const std::string& command, pid_t* pid);
-
-  // Triggers watcher object on |watch_thread|. |watch_thread| gets blocked, so
-  // it should not be one of commonly used threads. It should be thread created
-  // specifically for running process output watcher.
-  bool StartWatchingOnThread(base::Thread* watch_thread,
-                             const ProcessOutputCallback& callback);
-
-  // Sends some data to the process.
-  bool Write(const std::string& text);
-
-  // Closes the process.
-  // Must be called if we want this to be eventually deleted.
-  void Close();
-
-  // Notifies underlaying process of terminal size change.
-  bool OnTerminalResize(int width, int height);
-
- private:
-  friend class base::RefCountedThreadSafe<ProcessProxy>;
-  // We want this be used as ref counted object only.
-  ~ProcessProxy();
-
-  // Create master and slave end of pseudo terminal that will be used to
-  // communicate with process.
-  // pt_pair[0] -> master, pt_pair[1] -> slave.
-  // pt_pair must be allocated (to size at least 2).
-  bool CreatePseudoTerminalPair(int *pt_pair);
-
-  bool LaunchProcess(const std::string& command, int slave_fd, pid_t* pid);
-
-  // Gets called by output watcher when the process writes something to its
-  // output streams.
-  void OnProcessOutput(ProcessOutputType type, const std::string& output);
-
-  bool StopWatching();
-
-  // Methods for cleaning up pipes.
-  void CloseAllFdPairs();
-  // Expects array of 2 file descripters.
-  void CloseFdPair(int* pipe);
-  // Expects pointer to single file descriptor.
-  void CloseFd(int* fd);
-  void ClearAllFdPairs();
-  // Expects array of 2 file descripters.
-  void ClearFdPair(int* pipe);
-
-  bool process_launched_;
-  pid_t pid_;
-
-  bool callback_set_;
-  ProcessOutputCallback callback_;
-
-  bool watcher_started_;
-
-  int pt_pair_[2];
-  int shutdown_pipe_[2];
-
-  DISALLOW_COPY_AND_ASSIGN(ProcessProxy);
-};
-
-#endif  // CHROME_BROWSER_CHROMEOS_PROCESS_PROXY_PROCESS_PROXY_H_