NaCl: Remove unused "sandboxed_" field and argument from NaClForkDelegate

chrome/app/nacl_fork_delegate_linux.h

Index: chrome/app/nacl_fork_delegate_linux.h
diff --git a/chrome/app/nacl_fork_delegate_linux.h b/chrome/app/nacl_fork_delegate_linux.h
index 2a59ea54c3fa01afdbf9244736ad56f34e821482..c238109a9062b991629442702636242de60d4e9f 100644
--- a/chrome/app/nacl_fork_delegate_linux.h
+++ b/chrome/app/nacl_fork_delegate_linux.h
@@ -22,9 +22,7 @@ class NaClForkDelegate : public content::ZygoteForkDelegate {
   NaClForkDelegate();
   virtual ~NaClForkDelegate();
 
-  virtual void Init(bool sandboxed,
-                    int browserdesc,
-                    int sandboxdesc) OVERRIDE;
+  virtual void Init(int browserdesc, int sandboxdesc) OVERRIDE;
   virtual void InitialUMA(std::string* uma_name,
                           int* uma_sample,
                           int* uma_boundary_value) OVERRIDE;
@@ -49,7 +47,6 @@ class NaClForkDelegate : public content::ZygoteForkDelegate {
   };
 
   NaClHelperStatus status_;
-  bool sandboxed_;
   int fd_;
 };