Tell nacl_helper to use non SFI mode in HandleForkRequest

components/nacl/loader/nacl_listener.h

Index: components/nacl/loader/nacl_listener.h
diff --git a/components/nacl/loader/nacl_listener.h b/components/nacl/loader/nacl_listener.h
index 7fd02977c63ed46aaca2b5781cf730814ba3f2ac..477310ee62e75c2297b553524c35b9ce32afb887 100644
--- a/components/nacl/loader/nacl_listener.h
+++ b/components/nacl/loader/nacl_listener.h
@@ -34,6 +34,9 @@ class NaClListener : public IPC::Listener {
   void set_prereserved_sandbox_size(size_t prereserved_sandbox_size) {
     prereserved_sandbox_size_ = prereserved_sandbox_size;
   }
+  void set_uses_nonsfi_mode(bool uses_nonsfi_mode) {
+    uses_nonsfi_mode_ = uses_nonsfi_mode;
+  }
 #endif
 #if defined(OS_POSIX)
   void set_number_of_cores(int number_of_cores) {
@@ -56,6 +59,7 @@ class NaClListener : public IPC::Listener {
 
 #if defined(OS_LINUX)
   size_t prereserved_sandbox_size_;
+  bool uses_nonsfi_mode_;
 #endif
 #if defined(OS_POSIX)
   // The outer sandbox on Linux and OSX prevents