Prepend protocol if there isn't on url argument

Prepend protocol if there isn't on url argument

 * parser from chromium-efl cannot detect port appendix
   if there isn't protocol info on the head of url.
   (e.g., "www.review.tizen.org:9418")
 * To parse hostname by parser without touching parser,
   prepend protocol info to url if there isn't.
   default prepended protocol is "https"
   ("www.review.tizen.org:9418" -> "https://www.review.tizen.org:9418")

Change-Id: I6e470f5a2397a34390200b00ab198800473d46df
Signed-off-by: Kyungwook Tak <k.tak@samsung.com>