Bug 744417 - Fix mistakes in the initial implementation of forgetNetwork. r=mrbkap

--HG--
extra : rebase_source : 9ed43da50d6abc9701bfd09e5b3b788d2b947618

dom/wifi/DOMWifiManager.js

@@ -126,12 +126,12 @@ DOMWifiManager.prototype = {
         break;
 
       case "WifiManager:forget:Return:OK":
-        request = this._takeRequest(msg.rid);
+        request = this.takeRequest(msg.rid);
         Services.DOMRequest.fireSuccess(request, true);
         break;
 
       case "WifiManager:forget:Return:NO":
-        request = this._takeRequest(msg.rid);
+        request = this.takeRequest(msg.rid);
         Services.DOMRequest.fireError(request, msg.data);
         break;
 
@@ -221,7 +221,7 @@ DOMWifiManager.prototype = {
   forget: function nsIDOMWifiManager_forget(network) {
     if (!this._hasPrivileges)
       throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
-    var request = Services.DOMRequest.createRequest(this._window);
+    var request = this.createRequest();
     this._sendMessageForRequest("WifiManager:forget", network, request);
     return request;
   },

dom/wifi/WifiWorker.js

@@ -1093,7 +1093,8 @@ function WifiWorker() {
 
   this._mm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIFrameMessageManager);
   const messages = ["WifiManager:setEnabled", "WifiManager:getNetworks",
-                    "WifiManager:associate", "WifiManager:getState"];
+                    "WifiManager:associate", "WifiManager:forget",
+                    "WifiManager:getState"];
 
   messages.forEach((function(msgName) {
     this._mm.addMessageListener(msgName, this);
@@ -1681,7 +1682,8 @@ WifiWorker.prototype = {
 
     let self = this;
     let configured = this.configuredNetworks[ssid];
-    this._reconnectOnDisconnect = (this._currentNetwork.ssid === ssid);
+    this._reconnectOnDisconnect = (this.currentNetwork &&
+                                  (this.currentNetwork.ssid === ssid));
     WifiManager.removeNetwork(configured.netId, function(ok) {
       if (!ok) {
         self._sendMessage(message, false, "Unable to remove the network", rid, mid);