Update documentation for vpnProvider

extensions/common/api/vpn_provider.idl

Index: extensions/common/api/vpn_provider.idl
diff --git a/extensions/common/api/vpn_provider.idl b/extensions/common/api/vpn_provider.idl
index ab5e31c0a8dab12fb0fdf2f95b21760151709584..337bb07a415ac6d3228daeaca628a8dca9a63730 100644
--- a/extensions/common/api/vpn_provider.idl
+++ b/extensions/common/api/vpn_provider.idl
@@ -23,7 +23,9 @@ namespace vpnProvider {
     DOMString[] exclusionList;
     // Include network traffic to the list of IP blocks in CIDR notation to the
     // tunnel. By default all user traffic is routed to the tunnel. This

[bartfab (slow), 2015/02/20 16:34:32]

1: You forgot to remove "By default all user traffic is routed to the tunnel."
2: Should we document that if an include and an exclude list with the same
length prefix match, the result is undefined?

-    // parameter can be used to setup split tunnel.
+    // parameter can be used to setup split tunnel. By default no traffic is
+    // directed to the tunnel. Adding the entry "0.0.0.0/0" to this list gets
+    // all traffic redirected to the tunnel.
     // When many rules match a destination, the rule with the longest matching
     // prefix wins.
     DOMString[] inclusionList;