diff -r 000000000000 -r 6474c204b198 dom/network/interfaces/nsINetworkStatsServiceProxy.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/network/interfaces/nsINetworkStatsServiceProxy.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,57 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this file,
+* You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface nsINetworkInterface;
+
+[scriptable, function, uuid(5f821529-1d80-4ab5-a933-4e1b3585b6bc)]
+interface nsINetworkStatsServiceProxyCallback : nsISupports
+{
+  /*
+   * @param aResult callback result with boolean value
+   * @param aMessage message
+   */
+  void notify(in boolean aResult, in jsval aMessage);
+};
+
+[scriptable, uuid(705c01d6-8574-464c-8ec9-ac1522a45546)]
+interface nsINetworkStatsServiceProxy : nsISupports
+{
+  /*
+   * An interface used to record per-app traffic data.
+   * @param aAppId app id
+   * @param aNetworkInterface network
+   * @param aTimeStamp time stamp
+   * @param aRxBytes received data amount
+   * @param aTxBytes transmitted data amount
+   * @param aIsAccumulative is stats accumulative
+   * @param aCallback an optional callback
+   */
+  void saveAppStats(in unsigned long aAppId,
+                    in nsINetworkInterface aNetwork,
+                    in unsigned long long aTimeStamp,
+                    in unsigned long long aRxBytes,
+                    in unsigned long long aTxBytes,
+                    in boolean aIsAccumulative,
+         [optional] in nsINetworkStatsServiceProxyCallback aCallback);
+
+  /*
+   * An interface used to record per-system service traffic data.
+   * @param aServiceType system service type
+   * @param aNetworkInterface network
+   * @param aTimeStamp time stamp
+   * @param aRxBytes received data amount
+   * @param aTxBytes transmitted data amount
+   * @param aIsAccumulative is stats accumulative
+   * @param aCallback an optional callback
+   */
+  void saveServiceStats(in string aServiceType,
+                        in nsINetworkInterface aNetwork,
+                        in unsigned long long aTimeStamp,
+                        in unsigned long long aRxBytes,
+                        in unsigned long long aTxBytes,
+                        in boolean aIsAccumulative,
+             [optional] in nsINetworkStatsServiceProxyCallback aCallback);
+};