Use Blink IDL parser for dart libraries.

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 372 matching lines @@
     'SVGElement.className': '_svgClassName',
     'SVGStopElement.offset': 'gradientOffset',
     'URL.createObjectURL': 'createObjectUrl',
     'URL.revokeObjectURL': 'revokeObjectUrl',
     #'WorkerContext.webkitRequestFileSystem': '_requestFileSystem',
     #'WorkerContext.webkitRequestFileSystemSync': '_requestFileSystemSync',
 })
 
 # Members that have multiple definitions, but their types are vary, so we rename
 # them to make them distinct.
-renamed_overloads = monitored.Dict('htmldartgenreator.renamed_overloads', {
+renamed_overloads = monitored.Dict('htmldartgenerator.renamed_overloads', {
   'AudioContext.createBuffer(ArrayBuffer buffer, boolean mixToMono)':
       'createBufferFromBuffer',
   'CSS.supports(DOMString conditionText)': 'supportsCondition',
   'CanvasRenderingContext2D.createPattern(HTMLImageElement image, '
       'DOMString repetitionType)': 'createPatternFromImage',
   'DataTransferItemList.add(File file)': 'addFile',
   'DataTransferItemList.add(DOMString data, DOMString type)': 'addData',
   'FormData.append(DOMString name, Blob value, DOMString filename)':
       'appendBlob',
   'IDBDatabase.transaction(DOMStringList storeNames, DOMString mode)':
@@ skipping 577 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)