lib: removing contents of v8 module under chakracore

The v8 module uses functionality which is not supported by chakracore.
Rather than expose stubs which have unexpected behavior, we now do not
expose anything in the v8 module, so dependant modules can do feature
detection.

PR-URL: #491
Reviewed-By: Hitesh Kanwathirtha <hiteshk@microsoft.com>
Reviewed-By: Seth Brenith <sethb@microsoft.com>
Reviewed-By: Kyle Farnung <kfarnung@microsoft.com>

lib/v8.js

@@ -14,6 +14,10 @@
 
 'use strict';
 
+if (process.jsEngine === 'chakracore') {
+  return;
+}
+
 const { Buffer } = require('buffer');
 const { ERR_INVALID_ARG_TYPE } = require('internal/errors').codes;
 const {

test/parallel/parallel.status

@@ -173,6 +173,11 @@ test-fs-readdir-stack-overflow : SKIP
 # in a particular way which is true for v8 but not true for charkacore
 test-string-decoder-end : SKIP
 
+# These tests use the v8 module which chakracore does not support
+test-process-exception-capture-should-abort-on-uncaught-setflagsfromstring : SKIP
+test-v8-flag-type-check : SKIP
+test-v8-stats : SKIP
+
 [$jsEngine==chakracore && $arch==x64]
 # These tests are failing for Node-Chakracore and should eventually be fixed
 test-buffer-includes : SKIP