Minor refactoring of setuid_sandbox_client.

sandbox/linux/suid/client/setuid_sandbox_client.h

Index: sandbox/linux/suid/client/setuid_sandbox_client.h
diff --git a/sandbox/linux/suid/client/setuid_sandbox_client.h b/sandbox/linux/suid/client/setuid_sandbox_client.h
index e6a3e4c5cad2837848c2284d29ab8bc30b742f62..b24eb4c5fff9926e9da3df693d88d5eb4140ac4e 100644
--- a/sandbox/linux/suid/client/setuid_sandbox_client.h
+++ b/sandbox/linux/suid/client/setuid_sandbox_client.h
@@ -6,7 +6,8 @@
 #define SANDBOX_LINUX_SUID_SETUID_SANDBOX_CLIENT_H_
 
 #include "base/basictypes.h"
-#include "base/callback_forward.h"
+#include "base/command_line.h"
+#include "base/environment.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_file.h"
 #include "base/process/launch.h"
@@ -52,11 +53,6 @@ class SANDBOX_EXPORT SetuidSandboxClient {
   // to an empty directory.
   // Will only work if we have been launched through the setuid helper.
   bool ChrootMe();
-  // When a new PID namespace is created, the process with pid == 1 should
-  // assume the role of init.
-  // See sandbox/linux/services/init_process_reaper.h for more information
-  // on this API.
-  bool CreateInitProcessReaper(base::Closure* post_fork_parent_callback);
 
   // Did we get launched through an up to date setuid binary ?
   bool IsSuidSandboxUpToDate() const;