[cros] Hide chrome://mobilesetup content on non-supported networks.

chrome/browser/chromeos/cros/network_library.h

Index: chrome/browser/chromeos/cros/network_library.h
diff --git a/chrome/browser/chromeos/cros/network_library.h b/chrome/browser/chromeos/cros/network_library.h
index 5b8b2cd16dd2b89de98223f59bd574c203c51963..e6dfef73af0db6f8bc5024f22561e92f872b4ea6 100644
--- a/chrome/browser/chromeos/cros/network_library.h
+++ b/chrome/browser/chromeos/cros/network_library.h
@@ -627,6 +627,12 @@ class CellularNetwork : public WirelessNetwork {
   const Apn& apn() const { return apn_; }
   const Apn& last_good_apn() const { return last_good_apn_; }
   void SetApn(const Apn& apn);
+
+  // Returns true if network supports activation.
+  // Current implementation returns same as SupportsDataPlan().
+  bool SupportsActivation() const;
+
+  // Returns true if one of the usage_url_ /payment_url_ (or both) is defined.
   bool SupportsDataPlan() const;
 
   // Misc.