Clear DevTools temp storage

Source/devtools/front_end/CPUProfileView.js

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 879 matching lines @@
      */
     write: function(text)
     {
         this._jsonifiedProfile += text;
     },
 
     close: function() { },
 
     /**
      * @override
+     */
+    dispose: function()
+    {
+        this.removeTempFile();
+    },
+
+    /**
+     * @override
      * @return {!WebInspector.ProfileSidebarTreeElement}
      */
     createSidebarTreeElement: function()
     {
         return new WebInspector.ProfileSidebarTreeElement(this, "profile-sidebar-tree-item");
     },
 
     /**
      * @override
      * @param {!WebInspector.ProfilesPanel} profilesPanel
@@ skipping 319 matching lines @@
     /**
      * @param {number} entryIndex
      * @return {!Object}
      */
     entryData: function(entryIndex)
     {
         return this._timelineData.entryNodes[entryIndex];
     }
 }