Create HostList class to facilitate future work.

remoting/remoting.gyp

Index: remoting/remoting.gyp
diff --git a/remoting/remoting.gyp b/remoting/remoting.gyp
index bbaa9051a98e624c79cdd52ef36ef35f83b61f1d..496b0eaf34366e0fd816eb52eb37be0d10ab6e00 100644
--- a/remoting/remoting.gyp
+++ b/remoting/remoting.gyp
@@ -110,6 +110,7 @@
       'webapp/me2mom/dividerbottom.png',
       'webapp/me2mom/dividertop.png',
       'webapp/me2mom/home_screen.js',
+      'webapp/me2mom/host_list.js',
       'webapp/me2mom/host_screen.js',
       'webapp/me2mom/host_session.js',
       'webapp/me2mom/l10n.js',
@@ -339,7 +340,7 @@
             'webapp/verify-webapp.py',
             'webapp/me2mom/_locales/en/messages.json',
             'webapp/me2mom/choice.html',
-            'webapp/me2mom/home_screen.js',
+            'webapp/me2mom/host_list.js',
             'webapp/me2mom/manifest.json',
             'webapp/me2mom/remoting.js',
             'host/plugin/host_script_object.cc',
@@ -353,7 +354,7 @@
             '<(PRODUCT_DIR)/remoting/it2me_verified.stamp',
             'webapp/me2mom/_locales/en/messages.json',
             'webapp/me2mom/choice.html',
-            'webapp/me2mom/home_screen.js',
+            'webapp/me2mom/host_list.js',
             'webapp/me2mom/manifest.json',
             'webapp/me2mom/remoting.js',
             'host/plugin/host_script_object.cc',