Move launchd code from chrome/browser/mac to base/mac.

chrome/browser/mac/launchd.cc

-// Copyright (c) 2011 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/mac/launchd.h"
-
-#include <launch.h>
-
-#include "base/logging.h"
-#include "chrome/browser/mac/scoped_launch_data.h"
-
-namespace launchd {
-
-namespace {
-
-// MessageForJob sends a single message to launchd with a simple dictionary
-// mapping |operation| to |job_label|, and returns the result of calling
-// launch_msg to send that message. On failure, returns NULL. The caller
-// assumes ownership of the returned launch_data_t object.
-launch_data_t MessageForJob(const std::string& job_label,
-                            const char* operation) {
-  // launch_data_alloc returns something that needs to be freed.
-  ScopedLaunchData message(launch_data_alloc(LAUNCH_DATA_DICTIONARY));
-  if (!message) {
-    LOG(ERROR) << "launch_data_alloc";
-    return NULL;
-  }
-
-  // launch_data_new_string returns something that needs to be freed, but
-  // the dictionary will assume ownership when launch_data_dict_insert is
-  // called, so put it in a scoper and .release() it when given to the
-  // dictionary.
-  ScopedLaunchData job_label_launchd(launch_data_new_string(job_label.c_str()));
-  if (!job_label_launchd) {
-    LOG(ERROR) << "launch_data_new_string";
-    return NULL;
-  }
-
-  if (!launch_data_dict_insert(message,
-                               job_label_launchd.release(),
-                               operation)) {
-    return NULL;
-  }
-
-  return launch_msg(message);
-}
-
-}  // namespace
-
-pid_t PIDForJob(const std::string& job_label) {
-  ScopedLaunchData response(MessageForJob(job_label, LAUNCH_KEY_GETJOB));
-  if (!response) {
-    return -1;
-  }
-
-  launch_data_type_t response_type = launch_data_get_type(response);
-  if (response_type != LAUNCH_DATA_DICTIONARY) {
-    if (response_type == LAUNCH_DATA_ERRNO) {
-      LOG(ERROR) << "PIDForJob: error " << launch_data_get_errno(response);
-    } else {
-      LOG(ERROR) << "PIDForJob: expected dictionary, got " << response_type;
-    }
-    return -1;
-  }
-
-  launch_data_t pid_data = launch_data_dict_lookup(response,
-                                                   LAUNCH_JOBKEY_PID);
-  if (!pid_data) {
-    LOG(ERROR) << "PIDForJob: no pid";
-    return -1;
-  }
-
-  if (launch_data_get_type(pid_data) != LAUNCH_DATA_INTEGER) {
-    LOG(ERROR) << "PIDForJob: expected integer";
-    return -1;
-  }
-
-  return launch_data_get_integer(pid_data);
-}
-
-}  // namespace launchd