Timeline: split frame model into trace-specific and record-specific parts

Source/devtools/front_end/timeline/TimelineView.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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.
@@ skipping 55 matching lines @@
 
     this.element.addEventListener("mousemove", this._mouseMove.bind(this), false);
     this.element.addEventListener("mouseout", this._mouseOut.bind(this), false);
     this.element.addEventListener("keydown", this._keyDown.bind(this), false);
 
     this._expandOffset = 15;
 }
 
 WebInspector.TimelineView.prototype = {
     /**
-     * @param {?WebInspector.TimelineFrameModel} frameModel
+     * @param {?WebInspector.TimelineFrameModelBase} frameModel
      */
     setFrameModel: function(frameModel)
     {
         this._frameModel = frameModel;
     },
 
     /**
      * @return {!WebInspector.SplitView}
      */
     _createRecordsView: function()
@@ skipping 1212 matching lines @@
             this._element.classList.remove("hidden");
         } else
             this._element.classList.add("hidden");
     },
 
     _dispose: function()
     {
         this._element.remove();
     }
 }