diff -r 000000000000 -r 6474c204b198 dom/network/src/NetworkStatsServiceProxy.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/network/src/NetworkStatsServiceProxy.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,89 @@
+/* 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/. */
+
+"use strict";
+
+const DEBUG = false;
+function debug(s) { dump("-*- NetworkStatsServiceProxy: " + s + "\n"); }
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+this.EXPORTED_SYMBOLS = ["NetworkStatsServiceProxy"];
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/NetworkStatsService.jsm");
+
+const NETWORKSTATSSERVICEPROXY_CONTRACTID = "@mozilla.org/networkstatsServiceProxy;1";
+const NETWORKSTATSSERVICEPROXY_CID = Components.ID("705c01d6-8574-464c-8ec9-ac1522a45546");
+const nsINetworkStatsServiceProxy = Ci.nsINetworkStatsServiceProxy;
+
+function NetworkStatsServiceProxy() {
+  if (DEBUG) {
+    debug("Proxy started");
+  }
+}
+
+NetworkStatsServiceProxy.prototype = {
+  /*
+   * Function called in the protocol layer (HTTP, FTP, WebSocket ...etc)
+   * to pass the per-app stats to NetworkStatsService.
+   */
+  saveAppStats: function saveAppStats(aAppId, aNetwork, aTimeStamp,
+                                      aRxBytes, aTxBytes, aIsAccumulative,
+                                      aCallback) {
+    if (!aNetwork) {
+      if (DEBUG) {
+        debug("|aNetwork| is not specified. Failed to save stats. Returning.");
+      }
+      return;
+    }
+
+    if (DEBUG) {
+      debug("saveAppStats: " + aAppId + " " + aNetwork.type + " " + aTimeStamp +
+            " " + aRxBytes + " " + aTxBytes + " " + aIsAccumulative);
+    }
+
+    if (aCallback) {
+      aCallback = aCallback.notify;
+    }
+
+    NetworkStatsService.saveStats(aAppId, "", aNetwork, aTimeStamp,
+                                  aRxBytes, aTxBytes, aIsAccumulative,
+                                  aCallback);
+  },
+
+  /*
+   * Function called in the points of different system services
+   * to pass the per-serive stats to NetworkStatsService.
+   */
+  saveServiceStats: function saveServiceStats(aServiceType, aNetwork,
+                                              aTimeStamp, aRxBytes, aTxBytes,
+                                              aIsAccumulative, aCallback) {
+    if (!aNetwork) {
+      if (DEBUG) {
+        debug("|aNetwork| is not specified. Failed to save stats. Returning.");
+      }
+      return;
+    }
+
+    if (DEBUG) {
+      debug("saveServiceStats: " + aServiceType + " " + aNetwork.type + " " +
+            aTimeStamp + " " + aRxBytes + " " + aTxBytes + " " +
+            aIsAccumulative);
+    }
+
+    if (aCallback) {
+      aCallback = aCallback.notify;
+    }
+
+    NetworkStatsService.saveStats(0, aServiceType ,aNetwork, aTimeStamp,
+                                  aRxBytes, aTxBytes, aIsAccumulative,
+                                  aCallback);
+  },
+
+  classID : NETWORKSTATSSERVICEPROXY_CID,
+  QueryInterface : XPCOMUtils.generateQI([nsINetworkStatsServiceProxy]),
+}
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([NetworkStatsServiceProxy]);