Getting html_dart2js and html_dartium a bit more in sync.

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 139 matching lines @@
   'StorageInfo.requestQuota',
   'WorkerContext.webkitResolveLocalFileSystemURL',
   'WorkerContext.webkitRequestFileSystem',
 ])
 
 # Members from the standard dom that should not be exposed publicly in dart:html
 # but need to be exposed internally to implement dart:html on top of a standard
 # browser.
 _private_html_members = monitored.Set('htmlrenamer._private_html_members', [
   'CanvasRenderingContext2D.arc',
-  'CanvasRenderingContext2D.drawImage',
   'CompositionEvent.initCompositionEvent',
   'CustomEvent.initCustomEvent',
   'DeviceOrientationEvent.initDeviceOrientationEvent',
   'Document.createElement',
   'Document.createElementNS',
   'Document.createEvent',
   'Document.createNodeIterator',
   'Document.createRange',
   'Document.createTextNode',
   'Document.createTouch',
@@ skipping 123 matching lines @@
   'Touch.screenX',
   'Touch.screenY',
   'TouchEvent.initTouchEvent',
   'UIEvent.charCode',
   'UIEvent.initUIEvent',
   'UIEvent.keyCode',
   'UIEvent.layerX',
   'UIEvent.layerY',
   'UIEvent.pageX',
   'UIEvent.pageY',
-  'WheelEvent.wheelDeltaX',
-  'WheelEvent.wheelDeltaY',
   'WheelEvent.initWebKitWheelEvent',
   'DOMWindow.getComputedStyle',
 ])
 
 # Members from the standard dom that exist in the dart:html library with
 # identical functionality but with cleaner names.
 renamed_html_members = monitored.Dict('htmlrenamer.renamed_html_members', {
+    'CanvasRenderingContext2D.drawImage': '_drawImage',
     'CSSStyleDeclaration.getPropertyValue': '_getPropertyValue',
     'CSSStyleDeclaration.setProperty': '_setProperty',
     'DirectoryEntry.getDirectory': '_getDirectory',
     'DirectoryEntry.getFile': '_getFile',
     'Document.createCDATASection': 'createCDataSection',
     'Document.defaultView': 'window',
     'Document.querySelector': 'query',
     'DOMURL.createObjectURL': 'createObjectUrl',
     'DOMURL.revokeObjectURL': 'revokeObjectUrl',
     'DOMWindow.clearTimeout': '_clearTimeout',
@@ skipping 15 matching lines @@
     'Node.nextSibling': 'nextNode',
     'Node.ownerDocument': 'document',
     'Node.parentElement': 'parent',
     'Node.previousSibling': 'previousNode',
     'Node.textContent': 'text',
     'RTCPeerConnection.createAnswer': '_createAnswer',
     'RTCPeerConnection.createOffer': '_createOffer',
     'StorageInfo.queryUsageAndQuota': '_queryUsageAndQuota',
     'SVGElement.className': '$dom_svgClassName',
     'SVGStopElement.offset': 'gradientOffset',
+    'WheelEvent.wheelDeltaX': '_wheelDeltaX',
+    'WheelEvent.wheelDeltaY': '_wheelDeltaY',
     #'WorkerContext.webkitRequestFileSystem': '_requestFileSystem',
     #'WorkerContext.webkitRequestFileSystemSync': '_requestFileSystemSync',
 })
 
 for member in convert_to_future_members:
   if member in renamed_html_members:
     renamed_html_members[member] = '_' + renamed_html_members[member]
   else:
     renamed_html_members[member] = '_' + member[member.find('.') + 1 :]
 
@@ skipping 402 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)