[CrOS Tether] Update NetworkState to include tether properties and integrate into NetworkStateHandl…

chromeos/network/network_state.cc

Index: chromeos/network/network_state.cc
diff --git a/chromeos/network/network_state.cc b/chromeos/network/network_state.cc
index a20e22ca3c4881bac3b47ce599f6751fd72d90af..838faa0b3b8f1dfc9b6f01f6b71c7dc904403343 100644
--- a/chromeos/network/network_state.cc
+++ b/chromeos/network/network_state.cc
@@ -15,6 +15,7 @@
 #include "chromeos/network/network_util.h"
 #include "chromeos/network/onc/onc_utils.h"
 #include "chromeos/network/shill_property_util.h"
+#include "chromeos/network/tether_constants.h"
 #include "components/device_event_log/device_event_log.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
@@ -261,6 +262,15 @@ void NetworkState::GetStateProperties(base::DictionaryValue* dictionary) const {
                                         provider_property.release());
   }
 
+  // Tether properties
+  if (NetworkTypePattern::Tether().MatchesType(type())) {
+    dictionary->SetIntegerWithoutPathExpansion(kTetherBatteryPercentage,
+                                               battery_percentage());
+    dictionary->SetStringWithoutPathExpansion(kTetherCarrier, carrier());
+    dictionary->SetIntegerWithoutPathExpansion(kTetherSignalStrength,
+                                               signal_strength());
+  }
+
   // Wireless properties
   if (!NetworkTypePattern::Wireless().MatchesType(type()))
     return;