Add ONC 'Source' configuration property

components/onc/onc_constants.cc

Index: components/onc/onc_constants.cc
diff --git a/components/onc/onc_constants.cc b/components/onc/onc_constants.cc
index 4970ec4c387f1916d56f0717cf892eb1d1247c25..94797cd4e189322d885f186dce760b52fb721c0a 100644
--- a/components/onc/onc_constants.cc
+++ b/components/onc/onc_constants.cc
@@ -34,22 +34,26 @@ const char kUnencryptedConfiguration[] = "UnencryptedConfiguration";
 // Network Configuration
 namespace network_config {
 const char kCellular[] = "Cellular";
+const char kConnectable[] = "Connectable";
+const char kConnectionState[] = "ConnectionState";
 const char kDevice[] = "Device";
+const char kErrorState[] = "ErrorState";
 const char kEthernet[] = "Ethernet";
 const char kGUID[] = "GUID";
 const char kIPConfigs[] = "IPConfigs";
-const char kSavedIPConfig[] = "SavedIPConfig";
-const char kStaticIPConfig[] = "StaticIPConfig";
 const char kMacAddress[] = "MacAddress";
-const char kName[] = "Name";
 const char kNameServers[] = "NameServers";
+const char kName[] = "Name";
 const char kPriority[] = "Priority";
 const char kProxySettings[] = "ProxySettings";
-const char kSearchDomains[] = "SearchDomains";
-const char kConnectionState[] = "ConnectionState";
 const char kRestrictedConnectivity[] = "RestrictedConnectivity";
-const char kConnectable[] = "Connectable";
-const char kErrorState[] = "ErrorState";
+const char kSavedIPConfig[] = "SavedIPConfig";
+const char kSearchDomains[] = "SearchDomains";
+const char kSourceDevice[] = "Device";
+const char kSourceNone[] = "None";
+const char kSourceUser[] = "User";
+const char kSource[] = "Source";
+const char kStaticIPConfig[] = "StaticIPConfig";
 const char kType[] = "Type";
 const char kVPN[] = "VPN";
 const char kWiFi[] = "WiFi";