Add an ONC property for disabling LCP echo

chromeos/network/onc/onc_signature.cc

Index: chromeos/network/onc/onc_signature.cc
diff --git a/chromeos/network/onc/onc_signature.cc b/chromeos/network/onc/onc_signature.cc
index b001afe96af0e0836157b4e0a797f85c07da72e1..378bf2ecc8810ee34edbca1c8b9715a30e3ceaa7 100644
--- a/chromeos/network/onc/onc_signature.cc
+++ b/chromeos/network/onc/onc_signature.cc
@@ -95,9 +95,10 @@ const OncFieldSignature xauth_fields[] = {
 
 const OncFieldSignature l2tp_fields[] = {
     {::onc::kRecommended, &kRecommendedSignature},
-    {::onc::vpn::kPassword, &kStringSignature},
-    {::onc::vpn::kSaveCredentials, &kBoolSignature},
-    {::onc::vpn::kUsername, &kStringSignature},
+    {::onc::l2tp::kPassword, &kStringSignature},
+    {::onc::l2tp::kSaveCredentials, &kBoolSignature},

[pneubeck (no reviews), 2015/04/07 09:45:20]

because of the rename, we'll have to check&update all usages of the old vpn
fields, e.g.
https://code.google.com/p/chromium/codesearch#chromium/src/components/onc/onc...

which lists for example the now incorrect usage in vpn_config_view.cc:792
https://code.google.com/p/chromium/codesearch#chromium/src/chrome/browser/chr...

[Paul Stewart, 2015/04/07 15:34:33]

Acknowledged.

+    {::onc::l2tp::kUsername, &kStringSignature},
+    {::onc::l2tp::kLcpEchoDisabled, &kBoolSignature},
     {NULL}};
 
 const OncFieldSignature openvpn_fields[] = {