TimelinePanel: do not collapse record when user changes panel.

Source/devtools/front_end/TimelinePanel.js

 /*
  * Copyright (C) 2012 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 439 matching lines @@
         this._stackView.detachChildViews();
         var views = this._viewsForMode(mode);
         this._currentViews = views.mainViews;
         this._updateFiltersBar();
         this._glueMode = true;
         for (var i = 0; i < this._currentViews.length; ++i) {
             var view = this._currentViews[i];
             view.setWindowTimes(this.windowStartTime(), this.windowEndTime());
             this._stackView.appendView(view, "timeline-view");
             this._glueMode = this._glueMode && view.supportsGlueParentMode();
+            view.refreshRecords();
         }
         this._overviewControl = views.overviewView;
         this._overviewPane.setOverviewControl(this._overviewControl);
         this._glueParentButton.setEnabled(this._glueMode);
     },
 
     /**
      * @param {boolean} userInitiated
      */
     _startRecording: function(userInitiated)
@@ skipping 128 matching lines @@
      * @param {boolean} vertical
      */
     setVertical: function(vertical)
     {
         this._contentElement.enableStyleClass("hbox", !vertical);
         this._contentElement.enableStyleClass("vbox", vertical);
     },
 
     __proto__: WebInspector.View.prototype
 }