Eliminate url() method on TimelineModel.Record

Source/devtools/front_end/timeline/TimelineModel.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 548 matching lines @@
 
 /**
  * @interface
  */
 WebInspector.TimelineModel.Record = function()
 {
 }
 
 WebInspector.TimelineModel.Record.prototype = {
     /**
-     * @return {?string}
-     */
-    url: function() { },
-
-    /**
      * @return {?Array.<!ConsoleAgent.CallFrame>}
      */
     callSiteStackTrace: function() { },
 
     /**
      * @return {?WebInspector.TimelineModel.Record}
      */
     initiator: function() { },
 
     /**
@@ skipping 176 matching lines @@
     case recordTypes.WebSocketSendHandshakeRequest:
     case recordTypes.WebSocketReceiveHandshakeResponse:
     case recordTypes.WebSocketDestroy:
         this._initiator = bindings._webSocketCreateRecords[timelineEvent.data["identifier"]];
         break;
     }
 }
 
 WebInspector.TimelineModel.RecordImpl.prototype = {
     /**
-     * @return {?string}
-     */
-    url: function()
-    {
-        var data = this.data();
-        if (data && data["url"])
-            return data["url"];
-        if (this._initiator)
-            return this._initiator.url();
-        return null;
-    },
-
-    /**
      * @return {?Array.<!ConsoleAgent.CallFrame>}
      */
     callSiteStackTrace: function()
     {
         return this._initiator ? this._initiator.stackTrace() : null;
     },
 
     /**
      * @return {?WebInspector.TimelineModel.Record}
      */
@@ skipping 434 matching lines @@
         function recordTimestampComparator(a, b)
         {
             // Never return 0, as the merge function will squash identical entries.
             return a.startTime() < b.startTime() ? -1 : 1;
         }
         var result = this._backgroundRecordsBuffer.mergeOrdered(records, recordTimestampComparator);
         this._backgroundRecordsBuffer = [];
         return result;
     }
 }