Resurrection of "Hooks for out-of-process (OOP) debugger" CL.

src/trusted/service_runtime/nacl_app_thread.c

Index: src/trusted/service_runtime/nacl_app_thread.c
===================================================================
--- src/trusted/service_runtime/nacl_app_thread.c	(revision 5665)
+++ src/trusted/service_runtime/nacl_app_thread.c	(working copy)
@@ -12,6 +12,7 @@
 #include "native_client/src/trusted/service_runtime/nacl_desc_effector_ldr.h"
 
 #include "native_client/src/trusted/service_runtime/nacl_globals.h"
+#include "native_client/src/trusted/service_runtime/nacl_oop_debugger_hooks.h"
 #include "native_client/src/trusted/service_runtime/nacl_tls.h"
 #include "native_client/src/trusted/service_runtime/nacl_switch_to_app.h"
 #include "native_client/src/trusted/service_runtime/nacl_stack_safety.h"
@@ -52,6 +53,8 @@
     natp->nap->debug_stub_callbacks->thread_create_hook(natp);
   }
 
+  NaClOopDebuggerThreadCreateHook(natp);
+
   NaClStartThreadInApp(natp, natp->user.prog_ctr);
 }