[polari] roomList: Use more consistent variable names

[Florian Müllner <fmuellner src gnome org>]

commit 8a5a8de7454b56da2be09d584cc1c988a252aeb9
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Jul 31 01:13:46 2013 +0200

    roomList: Use more consistent variable names
    
    Currently "row" may refer either to a RoomRow object or its widget.
    Clean this up by using "row" and "roomRow" consistently.

 src/roomList.js |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/src/roomList.js b/src/roomList.js
index 93bc93b..a00c05a 100644
--- a/src/roomList.js
+++ b/src/roomList.js
@@ -145,15 +145,16 @@ const RoomList = new Lang.Class({
     },
 
     _roomAdded: function(roomManager, room) {
-        let row = new RoomRow(room);
-        this.widget.add(row.widget);
+        let roomRow = new RoomRow(room);
+        this.widget.add(roomRow.widget);
     },
 
     _roomRemoved: function(roomManager, room) {
-        let row = this._getRowByRoom(room);
-        if (!row)
+        let roomRow = this._roomRows[room.id];
+        if (!roomRow)
             return;
 
+        let row = roomRow.widget;
         let selected = this.widget.get_selected_row();
         if (selected == row && this.widget.get_children().length > 1) {
             let count = row.get_index() == 0 ? 1 : -1;