Fixing up WebComponents types & tests

tools/dom/scripts/htmlrenamer.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 import re
 
 html_interface_renames = {
     'CDATASection': 'CDataSection',
     'DOMApplicationCache': 'ApplicationCache',
     'DOMCoreException': 'DomException',
@@ skipping 121 matching lines @@
   'Storage.setItem',
   'WheelEvent.wheelDeltaX',
   'WheelEvent.wheelDeltaY',
 ])
 
 # Members from the standard dom that exist in the dart:html library with
 # identical functionality but with cleaner names.
 _renamed_html_members = {
     'Document.createCDATASection': 'createCDataSection',
     'Document.defaultView': 'window',
+    'Element.webkitCreateShadowRoot': 'createShadowRoot',
     'Element.webkitMatchesSelector' : 'matchesSelector',
     'Element.scrollIntoViewIfNeeded': 'scrollIntoView',
     'Node.cloneNode': 'clone',
     'Node.nextSibling': 'nextNode',
     'Node.ownerDocument': 'document',
     'Node.parentElement': 'parent',
     'Node.previousSibling': 'previousNode',
     'Node.textContent': 'text',
     'SvgElement.className': '$dom_svgClassName',
     'AnimatedString.className': '$dom_svgClassName',
@@ skipping 270 matching lines @@
 
     # We're looking for a sequence of letters which start with capital letter
     # then a series of caps and finishes with either the end of the string or
     # a capital letter.
     # The [0-9] check is for names such as 2D or 3D
     # The following test cases should match as:
     #   WebKitCSSFilterValue: WebKit(C)(SS)(F)ilterValue
     #   XPathNSResolver: (X)()(P)ath(N)(S)(R)esolver (no change)
     #   IFrameElement: (I)()(F)rameElement (no change)
     return re.sub(r'([A-Z])([A-Z]{2,})([A-Z]|$)', toLower, name)