Add PNaCl PPAPI browser tests via pre-translation.

ppapi/tests/test_case.html

Index: ppapi/tests/test_case.html
diff --git a/ppapi/tests/test_case.html b/ppapi/tests/test_case.html
index 9f897d0ac03310547ec661b115394d8febfae242..4b67a0fda02d8aac93d4780fe957c4605e1824f4 100644
--- a/ppapi/tests/test_case.html
+++ b/ppapi/tests/test_case.html
@@ -232,6 +232,11 @@ onload = function() {
     obj.setAttribute("src", "ppapi_nacl_tests_glibc.nmf");
     obj.setAttribute("type", "application/x-nacl");
     obj.setAttribute("mode", mode);
+  } else if (mode == "nacl_pnacl") {
+    obj = document.createElement("EMBED");
+    obj.setAttribute("src", "ppapi_nacl_tests_pnacl.nmf");
+    obj.setAttribute("type", "application/x-nacl");
+    obj.setAttribute("mode", mode);
   } else {
     var mimeType = "application/x-ppapi-tests";
     if (mimeType in navigator.mimeTypes) {