Adding support checks for FileSystem APIs and making APIs not webkit-specific.

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 135 matching lines @@
     'Node.cloneNode': 'clone',
     'Node.nextSibling': 'nextNode',
     'Node.ownerDocument': 'document',
     'Node.parentElement': 'parent',
     'Node.previousSibling': 'previousNode',
     'Node.textContent': 'text',
     'Stylable.className': '$dom_svgClassName',
     'SvgElement.className': '$dom_svgClassName',
     'Url.createObjectURL': 'createObjectUrl',
     'Url.revokeObjectURL': 'revokeObjectUrl',
+    'Window.webkitRequestFileSystem': 'requestFileSystem',
+    'Window.webkitResolveLocalFileSystemURL': 'resolveLocalFileSystemUrl',
+    'WorkerContext.webkitRequestFileSystem': 'requestFileSystem',
+    'WorkerContext.webkitRequestFileSystemSync': 'requestFileSystemSync',
+    'WorkerContext.webkitResolveLocalFileSystemSyncURL':
+        'resolveLocalFileSystemSyncUrl',
+    'WorkerContext.webkitResolveLocalFileSystemURL':
+        'resolveLocalFileSystemUrl',
 }
 
 # Members and classes from the dom that should be removed completely from
 # dart:html.  These could be expressed in the IDL instead but expressing this
 # as a simple table instead is more concise.
 # Syntax is: ClassName.(get\.|set\.)?MemberName
 # Using get: and set: is optional and should only be used when a getter needs
 # to be suppressed but not the setter, etc.
 # TODO(jacobr): cleanup and augment this list.
 _removed_html_members = set([
@@ skipping 335 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)