Restore adoptNode and importNode to dart:html

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 logging
 import monitored
 import re
 
 typed_array_renames = {
     'ArrayBuffer': 'ByteBuffer',
@@ skipping 370 matching lines @@
     'DOMWindow.clientInformation',
     'DOMWindow.get:frames',
     'DOMWindow.get:length',
     'DOMWindow.on:beforeUnload',
     'DOMWindow.pagePopupController',
     'DOMWindow.prompt',
     'DOMWindow.webkitCancelAnimationFrame',
     'DOMWindow.webkitCancelRequestAnimationFrame',
     'DOMWindow.webkitIndexedDB',
     'DOMWindow.webkitRequestAnimationFrame',
-    'Document.adoptNode',
     'Document.alinkColor',
     'Document.all',
     'Document.applets',
     'Document.bgColor',
     'Document.clear',
     'Document.createAttribute',
     'Document.createAttributeNS',
     'Document.createComment',
     'Document.createExpression',
     'Document.createNSResolver',
@@ skipping 15 matching lines @@
     'Document.get:inputEncoding',
     'Document.get:links',
     'Document.get:plugins',
     'Document.get:scripts',
     'Document.get:width',
     'Document.get:xmlEncoding',
     'Document.getElementsByTagNameNS',
     'Document.getOverrideStyle',
     'Document.getSelection',
     'Document.images',
-    'Document.importNode',
     'Document.linkColor',
     'Document.location',
     'Document.open',
     'Document.set:domain',
     'Document.vlinkColor',
     'Document.webkitCurrentFullScreenElement',
     'Document.webkitFullScreenKeyboardInputAllowed',
     'Document.write',
     'Document.writeln',
     'Document.xmlStandalone',
@@ skipping 336 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)