Import the v8-i18n extension into v8

src/extensions/i18n/header.js

Index: src/extensions/i18n/header.js
diff --git a/test/cctest/test-platform.cc b/src/extensions/i18n/header.js
similarity index 81%
copy from test/cctest/test-platform.cc
copy to src/extensions/i18n/header.js
index 6c20b853c5e7408b1877ee74617c01c3fc32ed5f..1c0a2d8874b5aa982ca2be2fb39f2ead1c4a9622 100644
--- a/test/cctest/test-platform.cc
+++ b/src/extensions/i18n/header.js
@@ -24,14 +24,18 @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// limitations under the License.
 
-#include <stdlib.h>
+// ECMAScript 402 API implementation is broken into separate files for
+// each service. The build system combines them together into one
+// Intl namespace.
 
-#include "cctest.h"
-#include "platform.h"
+/**
+ * Intl object is a single object that has some named properties,
+ * all of which are constructors.
+ */
+var Intl = (function() {
 
-using namespace ::v8::internal;
+'use strict';
 
-TEST(NumberOfCores) {
-  CHECK_GT(OS::NumberOfCores(), 0);
-}
+var Intl = {};