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

chrome/browser/mac/launchd.h

Index: chrome/browser/mac/launchd.h
diff --git a/chrome/browser/mac/launchd.h b/chrome/browser/mac/launchd.h
deleted file mode 100644
index a65e35461d63b412c5493c22aa5e0b9492ac9d21..0000000000000000000000000000000000000000
--- a/chrome/browser/mac/launchd.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_MAC_LAUNCHD_H_
-#define CHROME_BROWSER_MAC_LAUNCHD_H_
-#pragma once
-
-#include <sys/types.h>
-
-#include <string>
-
-namespace launchd {
-
-// Returns the process ID for |job_label|, or -1 on error.
-pid_t PIDForJob(const std::string& job_label);
-
-}  // namespace launchd
-
-#endif  // CHROME_BROWSER_MAC_LAUNCHD_H_