Clean up NetworkState members

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 427e2af85ff1abb0847018511c0e2a5ab5e60284..87c9c3c92fa276f983f36580d3b22837b7b62445 100644
--- a/chromeos/network/network_state.h
+++ b/chromeos/network/network_state.h
@@ -23,8 +23,6 @@ namespace chromeos {
 // the network.
 class CHROMEOS_EXPORT NetworkState : public ManagedState {
  public:
-  typedef std::vector<int> FrequencyList;
-
   explicit NetworkState(const std::string& path);
   virtual ~NetworkState();
 
@@ -47,22 +45,23 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   const std::string& connection_state() const { return connection_state_; }
   const std::string& profile_path() const { return profile_path_; }
   const std::string& error() const { return error_; }
-  bool auto_connect() const { return auto_connect_; }
-  bool favorite() const { return favorite_; }
-  int priority() const { return priority_; }
+  bool connectable() const { return connectable_; }
+
   const base::DictionaryValue& proxy_config() const { return proxy_config_; }
   const NetworkUIData& ui_data() const { return ui_data_; }
-  // IPConfig Properties
+
+  // IPConfig Properties. These require an extra call to ShillIPConfigClient,
+  // so cache them to avoid excessively complex client code.
   const std::string& ip_address() const { return ip_address_; }
   const std::string& gateway() const { return gateway_; }
   const std::vector<std::string>& dns_servers() const { return dns_servers_; }
-  const int prefix_length() const { return prefix_length_; }
   const GURL& web_proxy_auto_discovery_url() const {
     return web_proxy_auto_discovery_url_;
   }
+
   // Wireless property accessors
   int signal_strength() const { return signal_strength_; }
-  bool connectable() const { return connectable_; }
+
   // Cellular property accessors
   const std::string& network_technology() const {
     return network_technology_;
@@ -73,10 +72,6 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
     return activate_over_non_cellular_networks_;
   }
   bool cellular_out_of_credits() const { return cellular_out_of_credits_; }
-  const std::string& usage_url() const { return usage_url_; }
-  const std::string& payment_url() const { return payment_url_; }
-  const std::string& post_method() const { return post_method_; }
-  const std::string& post_data() const { return post_data_; }
 
   // Whether this network has a CACertNSS nickname set.
   bool HasCACertNSS() const { return has_ca_cert_nss_; }
@@ -101,8 +96,7 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   static bool StateIsConnected(const std::string& connection_state);
   static bool StateIsConnecting(const std::string& connection_state);
 
-  // Helper to return a full prefixed version of an IPConfig property
-  // key.
+  // Helper to return a full prefixed version of an IPConfig property key.
   static std::string IPConfigProperty(const char* key);
 
 
@@ -115,44 +109,43 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   // Returns true if |name_| changes.
   bool UpdateName(const base::DictionaryValue& properties);
 
-  // TODO(gauravsh): Audit the list of properties that we are caching. We should
-  // only be doing this for commonly accessed properties. crbug.com/252553
-  // Common Network Service properties
+  // Network Service properties. Avoid adding any additional properties here.
+  // Instead use NetworkConfigurationHandler::GetProperties() to asynchronously
+  // request properties from Shill.
   std::string security_;
   std::string device_path_;
   std::string guid_;
   std::string connection_state_;
   std::string profile_path_;
   std::string error_;
-  bool auto_connect_;
-  bool favorite_;
-  int priority_;
+  bool connectable_;
+
   // TODO(pneubeck): Remove ProxyConfig once NetworkConfigurationHandler
-  // provides proxy configuration. crbug/241775
+  // provides proxy configuration. crbug.com/241775
   base::DictionaryValue proxy_config_;
+
+  // This is convenient to keep cached for now, but shouldn't be necessary;
+  // avoid using it if possible.
   NetworkUIData ui_data_;
+
   // IPConfig properties.
   // Note: These do not correspond to actual Shill.Service properties
   // but are derived from the service's corresponding IPConfig object.
   std::string ip_address_;
   std::string gateway_;
   std::vector<std::string> dns_servers_;
-  int prefix_length_;
+  int prefix_length_;  // Used by GetNetmask()
   GURL web_proxy_auto_discovery_url_;
-  // Wireless properties
+
+  // Wireless properties, used for icons and Connect logic.
   int signal_strength_;
-  bool connectable_;
-  // Cellular properties
+
+  // Cellular properties, used for icons, Connect, and Activation.
   std::string network_technology_;
   std::string activation_state_;
   std::string roaming_;
   bool activate_over_non_cellular_networks_;
   bool cellular_out_of_credits_;
-  // Cellular payment portal properties.
-  std::string usage_url_;
-  std::string payment_url_;
-  std::string post_method_;
-  std::string post_data_;
 
   // Whether a deprecated CaCertNSS property of this network is set. Required
   // for migration to PEM.