WebSocket Pepper API: use net::IsPortAllowedByDefault() to validate port

ppapi/tests/test_websocket.cc

Index: ppapi/tests/test_websocket.cc
diff --git a/ppapi/tests/test_websocket.cc b/ppapi/tests/test_websocket.cc
index ac1e1dbea533d5aa5856971355671cbfc3cbda83..b8159cc6068c0a8611e95bd17ff10b826a042697 100644
--- a/ppapi/tests/test_websocket.cc
+++ b/ppapi/tests/test_websocket.cc
@@ -26,8 +26,7 @@ static const char kProtocolTestServerURL[] =
 static const char* kInvalidURLs[] = {
   "http://www.google.com/invalid_scheme",
   "ws://www.google.com/invalid#fragment",
-  // TODO(toyoshim): Add URL which has invalid port like
-  // ws://www.google.com:65535/invalid_port
+  "ws://www.google.com:65535/invalid_port",
   NULL
 };