NaCl: Copy PNaCl translator IRT interfaces to the Chromium side

ppapi/nacl_irt/irt_interfaces.h

Index: ppapi/nacl_irt/irt_interfaces.h
diff --git a/ppapi/nacl_irt/irt_interfaces.h b/ppapi/nacl_irt/irt_interfaces.h
index 0971900d8316a61bbb4e17da84e70f9f13900e4f..c18d34e1c4a3d6987883d101926b7922c29196c9 100644
--- a/ppapi/nacl_irt/irt_interfaces.h
+++ b/ppapi/nacl_irt/irt_interfaces.h
@@ -8,6 +8,10 @@
 #include <stdlib.h>
 
 extern const struct nacl_irt_ppapihook nacl_irt_ppapihook;
+extern const struct nacl_irt_private_pnacl_translator_link
+    nacl_irt_private_pnacl_translator_link;
+extern const struct nacl_irt_private_pnacl_translator_compile
+    nacl_irt_private_pnacl_translator_compile;
 
 size_t chrome_irt_query(const char* interface_ident,
                         void* table, size_t tablesize);