Tidying up.

samples/o3d-webgl/draw_element.js

 /*
  * Copyright 2010, 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.
@@ skipping 16 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 
 /**
  * A DrawElement causes an Element to be Drawn with a particular material.
  * You can override other Effect parameters by adding corresponding params to
  * the DrawElement.
- * 
+ *
  * @param {!o3d.Material} opt_material The material used to render this element.
  * @constructor
  */
 o3d.DrawElement = function(opt_material) {
   o3d.ParamObject.call(this);
 
   /**
    * The Material for this DrawElement. If it is null the material of
    * owner will be used.
    * @type {o3d.Material}
    */
   this.material = opt_material || null;
 
   /**
    * The current owner of this Draw Element. Set to null to stop being owned.
    *
    * Note: DrawElements are referenced by the Pack they are created in
    * and their owner. If the DrawElement is removed from its Pack then
    * setting the owner to null will free the DrawElement. Or, visa
    * versa, if you set the DrawElement's owner to null then removing
    * it from its Pack will free the DrawElement.
    * @type {o3d.Element}
    */
   this.owner_ = null;
 };
 o3d.inherit('DrawElement', 'ParamObject');
 
 o3d.ParamObject.setUpO3DParam_(o3d.DrawElement, 'material', 'ParamMaterial');