Remove unused function from base/process

base/process/launch.h

 // Copyright 2013 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.
 
 // This file contains functions for launching subprocesses.
 
 #ifndef BASE_PROCESS_LAUNCH_H_
 #define BASE_PROCESS_LAUNCH_H_
 
 #include <stddef.h>
@@ skipping 239 matching lines @@
 BASE_EXPORT bool GetAppOutput(const StringPiece16& cl, std::string* output);
 #endif
 
 #if defined(OS_POSIX)
 // A POSIX-specific version of GetAppOutput that takes an argv array
 // instead of a CommandLine.  Useful for situations where you need to
 // control the command line arguments directly.
 BASE_EXPORT bool GetAppOutput(const std::vector<std::string>& argv,
                               std::string* output);
 
-// A restricted version of |GetAppOutput()| which (a) clears the environment,
-// and (b) stores at most |max_output| bytes; also, it doesn't search the path
-// for the command.
-BASE_EXPORT bool GetAppOutputRestricted(const CommandLine& cl,
-                                        std::string* output, size_t max_output);
-
 // A version of |GetAppOutput()| which also returns the exit code of the
 // executed command. Returns true if the application runs and exits cleanly. If
 // this is the case the exit code of the application is available in
 // |*exit_code|.
 BASE_EXPORT bool GetAppOutputWithExitCode(const CommandLine& cl,
                                           std::string* output, int* exit_code);
 #endif  // defined(OS_POSIX)
 
 // If supported on the platform, and the user has sufficent rights, increase
 // the current process's scheduling priority to a high priority.
@@ skipping 29 matching lines @@
 // multiple threads are running, since at the time the fork happened, the
 // threads could have been in any state (potentially holding locks, etc.).
 // Callers should most likely call execve() in the child soon after calling
 // this.
 BASE_EXPORT pid_t ForkWithFlags(unsigned long flags, pid_t* ptid, pid_t* ctid);
 #endif
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_LAUNCH_H_