Pepper: Report NaCl exit status over Chromium IPC.

ppapi/native_client/src/trusted/plugin/service_runtime.h

Index: ppapi/native_client/src/trusted/plugin/service_runtime.h
diff --git a/ppapi/native_client/src/trusted/plugin/service_runtime.h b/ppapi/native_client/src/trusted/plugin/service_runtime.h
index dc7033052b93eec7fa3c0357244e833fb59d93c9..2b9272754e89146edb622eb8531617bd7b67aca1 100644
--- a/ppapi/native_client/src/trusted/plugin/service_runtime.h
+++ b/ppapi/native_client/src/trusted/plugin/service_runtime.h
@@ -190,13 +190,6 @@ class ServiceRuntime {
   Plugin* plugin() const { return plugin_; }
   void Shutdown();
 
-  // exit_status is -1 when invalid; when we set it, we will ensure
-  // that it is non-negative (the portion of the exit status from the
-  // nexe that is transferred is the low 8 bits of the argument to the
-  // exit syscall).
-  int exit_status();  // const, but grabs mutex etc.
-  void set_exit_status(int exit_status);
-
   bool main_service_runtime() const { return main_service_runtime_; }
 
  private: