Enable the "Browse the Physical Web" button only when Physical Web is ON.

Enable the "Browse the Physical Web" button only when Physical Web is ON.
Currently "Browse the Physical Web" button is enabled even when Physical Web is
OFF. This patch fixes this issue.

BUG=656577

Review-Url: https://codereview.chromium.org/2418403003
Cr-Commit-Position: refs/heads/master@{#430530}

diff --git a/AUTHORS b/AUTHORS
index aa8d7042..7302863 100644
--- a/AUTHORS
+++ b/AUTHORS

@@ -93,6 +93,7 @@
 Benjamin Jemlich <pcgod99@gmail.com>
 Bernard Cafarelli <voyageur@gentoo.org>
 Bhanukrushana Rout <b.rout@samsung.com>
+Biljith Jayan <billy.jayan@samsung.com>
 Bobby Powers <bobbypowers@gmail.com>
 Branden Archer <bma4@zips.uakron.edu>
 Brendan Kirby <brendan.kirby@imgtec.com>