Removes not used parameter of openMessageDialog (title).

We pass key which is enough to obtain the title.

conference.js

@@ -195,7 +195,7 @@ function maybeRedirectToWelcomePage(showThankYou) {
 
     if (showThankYou) {
         APP.UI.messageHandler.openMessageDialog(
-            null, null, null,
+            null, null,
             APP.translation.translateString(
                 "dialog.thankYou", {appName:interfaceConfig.APP_NAME}
             )

modules/UI/UI.js

@@ -1219,7 +1219,6 @@ UI.showExtensionRequiredDialog = function (url) {
     messageHandler.openMessageDialog(
         "dialog.extensionRequired",
         null,
-        null,
         APP.translation.generateTranslationHTML(
             "dialog.firefoxExtensionPrompt", {url: url}));
 };
@@ -1397,7 +1396,6 @@ UI.showTrackNotWorkingDialog = function (stream) {
         "dialog.error",
         stream.isAudioTrack()? "dialog.micNotSendingData" :
             "dialog.cameraNotSendingData",
-        null,
         null);
 };
 

modules/UI/recording/Recording.js

@@ -365,7 +365,7 @@ var Recording = {
                     dialog = APP.UI.messageHandler.openMessageDialog(
                         self.recordingTitle,
                         self.recordingBusy,
-                        null, null,
+                        null,
                         function () {
                             dialog = null;
                         }
@@ -376,7 +376,7 @@ var Recording = {
                     dialog = APP.UI.messageHandler.openMessageDialog(
                         self.recordingTitle,
                         self.recordingUnavailable,
-                        null, null,
+                        null,
                         function () {
                             dialog = null;
                         }

modules/UI/shared_video/SharedVideo.js

@@ -93,7 +93,7 @@ export default class SharedVideoManager {
             dialog = APP.UI.messageHandler.openMessageDialog(
                 "dialog.shareVideoTitle",
                 "dialog.alreadySharedVideoMsg",
-                null, null,
+                null,
                 function () {
                     dialog = null;
                 }

modules/UI/util/MessageHandler.js

@@ -31,22 +31,17 @@ var messageHandler = {
      * message, if a message title is not provided.
      * @param messageKey the key used to find the translation of the message,
      * if a message is not provided.
-     * @param title the title of the message. If a falsy value is provided,
-     * titleKey will be used to get a title via the translation API.
      * @param message the message to show. If a falsy value is provided,
      * messageKey will be used to get a message via the translation API.
      * @param closeFunction function to be called after
      * the prompt is closed (optional)
      * @return the prompt that was created, or null
      */
-    openMessageDialog: function(titleKey, messageKey, title, message,
-                                closeFunction) {
+    openMessageDialog: function(titleKey, messageKey, message, closeFunction) {
         if (!popupEnabled)
             return null;
 
-        if (!title) {
-            title = APP.translation.generateTranslationHTML(titleKey);
-        }
+        let title = APP.translation.generateTranslationHTML(titleKey);
         if (!message) {
             message = APP.translation.generateTranslationHTML(messageKey);
         }