Use ONC for Cellular APN and SimLock in Settings

chromeos/network/network_state.h

Index: chromeos/network/network_state.h
diff --git a/chromeos/network/network_state.h b/chromeos/network/network_state.h
index b1a491bdd96d8d7f59d9953b05932845931f8ba2..5098389b38164397111df203c029b8176e1d34b1 100644
--- a/chromeos/network/network_state.h
+++ b/chromeos/network/network_state.h
@@ -87,6 +87,7 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   const std::string& activation_type() const { return activation_type_; }
   const std::string& activation_state() const { return activation_state_; }
   const std::string& roaming() const { return roaming_; }
+  const std::string& payment_url() const { return payment_url_; }
   bool cellular_out_of_credits() const { return cellular_out_of_credits_; }
 
   // Whether this network has a CACertNSS nickname set.
@@ -169,6 +170,7 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   std::string activation_type_;
   std::string activation_state_;
   std::string roaming_;
+  std::string payment_url_;
   bool cellular_out_of_credits_;
 
   // Whether a deprecated CaCertNSS property of this network is set. Required