Load .webloc files correctly.

If a user drops a .webloc file onto the tabstrip, load the URL
inside the .webloc file, not the contents of the .webloc file
itself.

BUG=856469

Change-Id: Id581936a712180b188ff0f4f92ae10bb4353e5e6
Reviewed-on: https://chromium-review.googlesource.com/1148797
Reviewed-by: Leonard Grey <lgrey@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#578047}
1 file changed