Clean up wake on wifi handling

chromeos/network/network_device_handler_impl.h

Index: chromeos/network/network_device_handler_impl.h
diff --git a/chromeos/network/network_device_handler_impl.h b/chromeos/network/network_device_handler_impl.h
index fb10f3c2e8426338767af706e2bd7fb6f6b5cb88..11216bd1f747469200089ae4a4ce3ac2ba144b19 100644
--- a/chromeos/network/network_device_handler_impl.h
+++ b/chromeos/network/network_device_handler_impl.h
@@ -102,6 +102,20 @@ class CHROMEOS_EXPORT NetworkDeviceHandlerImpl
       const network_handler::StringResultCallback& callback,
       const network_handler::ErrorCallback& error_callback) override;
 
+  void AddWifiWakeOnPacketConnection(
+      const net::IPEndPoint& ip_endpoint,
+      const base::Closure& callback,
+      const network_handler::ErrorCallback& error_callback) override;
+
+  void RemoveWifiWakeOnPacketConnection(
+      const net::IPEndPoint& ip_endpoint,
+      const base::Closure& callback,
+      const network_handler::ErrorCallback& error_callback) override;
+
+  void RemoveAllWifiWakeOnPacketConnections(
+      const base::Closure& callback,
+      const network_handler::ErrorCallback& error_callback) override;
+
   // NetworkStateHandlerObserver overrides
   virtual void DeviceListChanged() override;
 
@@ -117,6 +131,10 @@ class CHROMEOS_EXPORT NetworkDeviceHandlerImpl
   // cellular devices of Shill.
   void ApplyCellularAllowRoamingToShill();
 
+  // Get the DeviceState for the wifi device, if any.
+  const DeviceState* GetWifiDeviceState(
+      const network_handler::ErrorCallback& error_callback);
+
   NetworkStateHandler* network_state_handler_;
   bool cellular_allow_roaming_;