style: Renames variables, adds a FIXME.

modules/UI/videolayout/RemoteVideo.js

@@ -440,11 +440,10 @@ RemoteVideo.prototype.waitForPlayback = function (streamElement, stream) {
 
     var self = this;
 
-    // Register 'onplaying' listener to trigger 'videoactive' on VideoLayout
-    // when video playback starts
+    // Triggers when video playback starts
     var onPlayingHandler = function () {
         self.wasVideoPlayed = true;
-        self.VideoLayout.videoactive(streamElement, self.id);
+        self.VideoLayout.remoteVideoActive(streamElement, self.id);
         streamElement.onplaying = null;
         // Refresh to show the video
         self.updateView();

modules/UI/videolayout/VideoLayout.js

@@ -423,12 +423,13 @@ var VideoLayout = {
         remoteVideo.updateView();
     },
 
-    videoactive (videoelem, resourceJid) {
+    // FIXME: what does this do???
+    remoteVideoActive(videoElement, resourceJid) {
 
-        console.info(resourceJid + " video is now active", videoelem);
+        console.info(resourceJid + " video is now active", videoElement);
 
         VideoLayout.resizeThumbnails(
-            false, false, function() {$(videoelem).show();});
+            false, false, function() {$(videoElement).show();});
 
         // Update the large video to the last added video only if there's no
         // current dominant, focused speaker or update it to