* Split ClientRect, ClientRectList, and HTMLCollection blobs into separate DOM implementation and binding-related files. * Enforce wrapper initialization at creation time for all DOM objects * Set up the basis for triggering reflow on DOM changes, such as Element.setAttribute * Fix crashes stemming from storing pointers to stack-local AbstractNode objects in DOM node wrappers * Add untested trace hooks for DOM nodes * Implement proper CharacterData inheritance for Text and Comment nodes