[CrOS Tether] Add HasConnectedToHost property for Tether networks.

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 995207d3f3473da9a479eb518e4b17e46a7e0dbb..4230e564aecc52b6b7b61e941ce52e0514cfec62 100644
--- a/chromeos/network/network_state.h
+++ b/chromeos/network/network_state.h
@@ -114,6 +114,17 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   }
   const std::string& carrier() const { return carrier_; }
   void set_carrier(const std::string& carrier) { carrier_ = carrier; }
+  // Returns whether the current device has already connected to the tether host
+  // device providing the hotspot corresponding to this NetworkState.
+  // Note: this means that the current device has already connected to the
+  // tether host, but it does not necessarily mean that the current device has
+  // connected to the Tether network corresponding to this NetworkState.

[stevenjb, 2017/04/27 19:45:52]

Comment should be above the member.

[Kyle Horimoto, 2017/04/27 19:51:50]

Done.

+  bool has_connected_as_tether_client() const {
+    return has_connected_as_tether_client_;
+  }
+  void set_has_connected_as_tether_client(bool has_connected_as_tether_client) {
+    has_connected_as_tether_client_ = has_connected_as_tether_client;
+  }
   const std::string& tether_guid() const { return tether_guid_; }
   void set_tether_guid(const std::string& guid) { tether_guid_ = guid; }
 
@@ -229,6 +240,7 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   // Tether properties.
   std::string carrier_;
   int battery_percentage_;
+  bool has_connected_as_tether_client_;
 
   // TODO(pneubeck): Remove this once (Managed)NetworkConfigurationHandler
   // provides proxy configuration. crbug.com/241775