Alter the design of the bootstrap sandbox to only take over the bootstrap port of children when nec…

base/process/launch_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 "base/process/launch.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
@@ skipping 367 matching lines @@
           limit.rlim_cur = limit.rlim_max;
           if (setrlimit(resource, &limit) < 0) {
             RAW_LOG(WARNING, "setrlimit failed");
           }
         }
       }
     }
 
 #if defined(OS_MACOSX)
     RestoreDefaultExceptionHandler();
+    if (!options.replacement_bootstrap_name.empty())
+      ReplaceBootstrapPort(options.replacement_bootstrap_name);
 #endif  // defined(OS_MACOSX)
 
     ResetChildSignalHandlersToDefaults();
     SetSignalMask(orig_sigmask);
 
 #if 0
     // When debugging it can be helpful to check that we really aren't making
     // any hidden calls to malloc.
     void *malloc_thunk =
         reinterpret_cast<void*>(reinterpret_cast<intptr_t>(malloc) & ~4095);
@@ skipping 255 matching lines @@
                               std::string* output,
                               int* exit_code) {
   // Run |execve()| with the current environment and store "unlimited" data.
   GetAppOutputInternalResult result = GetAppOutputInternal(
       cl.argv(), NULL, output, std::numeric_limits<std::size_t>::max(), true,
       exit_code);
   return result == EXECUTE_SUCCESS;
 }
 
 }  // namespace base