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

sandbox/mac/bootstrap_sandbox.h

Index: sandbox/mac/bootstrap_sandbox.h
diff --git a/sandbox/mac/bootstrap_sandbox.h b/sandbox/mac/bootstrap_sandbox.h
index 53fc54fa0e9e1ed61e47934a0e6d82bf0e72ef6e..9f713b14a6ded57cb60949a0821a7e90813e7f3d 100644
--- a/sandbox/mac/bootstrap_sandbox.h
+++ b/sandbox/mac/bootstrap_sandbox.h
@@ -77,6 +77,7 @@ class SANDBOX_EXPORT BootstrapSandbox {
   // with the |pid|, this returns NULL.
   const BootstrapSandboxPolicy* PolicyForProcess(pid_t pid) const;
 
+  std::string server_bootstrap_name() const { return server_bootstrap_name_; }
   mach_port_t real_bootstrap_port() const { return real_bootstrap_port_; }
 
  private:
@@ -86,6 +87,10 @@ class SANDBOX_EXPORT BootstrapSandbox {
   // requests.
   scoped_ptr<LaunchdInterceptionServer> server_;
 
+  // The name in the system bootstrap server by which the |server_|'s port
+  // is known.
+  const std::string server_bootstrap_name_;
+
   // The original bootstrap port of the process, which is connected to the
   // real launchd server.
   base::mac::ScopedMachSendRight real_bootstrap_port_;