Extend IRT with nacl_irt_resource_open interface

src/untrusted/irt/irt.h

Index: src/untrusted/irt/irt.h
===================================================================
--- src/untrusted/irt/irt.h	(revision 6384)
+++ src/untrusted/irt/irt.h	(working copy)
@@ -143,6 +143,18 @@
   void (*ppapi_register_thread_creator)(const struct PP_ThreadFunctions *);
 };
 
+#define NACL_IRT_PPAPIHOOK_v0_2 "nacl-irt-ppapihook-0.2"
+struct nacl_irt_ppapihook_0_2 {
+  int (*ppapi_start)(const struct PP_StartFunctions *);
+  void (*ppapi_register_thread_creator)(const struct PP_ThreadFunctions *);
+  void (*ppapi_pre_start)();
+};
+
+#define NACL_IRT_MANIFEST_OPEN_v0_0 "nacl-irt-manifest-0.0"
+struct nacl_irt_manifest_open {
+  int (*open_file_in_manifest)(const char* file);
+};
+
 #if __cplusplus
 }
 #endif