Generate dart:html bindings for Dartium as well as Frog. All unittests now pass (or are disabled fo…

client/dom/templates/html/dartium/impl_Document.darttemplate

Index: client/dom/templates/html/dartium/impl_Document.darttemplate
diff --git a/client/dom/templates/html/dartium/impl_Document.darttemplate b/client/dom/templates/html/dartium/impl_Document.darttemplate
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+// 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.
+
+class $CLASSNAME extends _ElementImpl
+    implements Document {
+$!MEMBERS
+
+  final dom.Document _documentPtr;
+  final _NodeImpl _wrappedDocumentPtr;
+ 
+_DocumentImpl._wrap(ptr) :
+  super._wrap(ptr),
+  _documentPtr = ptr.parentNode,
+  _wrappedDocumentPtr = ptr.parentNode != null ?
+      new _SecretHtmlDocumentImpl._wrap(ptr.parentNode) : null;
+
+  // TODO(jacobr): remove these methods and let them be generated automatically
+  // once dart supports defining fields with the same name in an interface and
+  // its parent interface.
+  String get title() => _documentPtr.title;
+  void set title(String value) => _documentPtr.title = title;
+
+  // For efficiency and simplicity, we always use the HtmlElement as the
+  // Document but sometimes internally we need the real JS document object.
+  _NodeImpl get _rawDocument() => _wrappedDocumentPtr;
+
+  // The document doesn't have a parent element.
+  _ElementImpl get parent() => null;
+}
+
+// This class should not be externally visible.  If a user ever gets access to
+// a _SecretHtmlDocumentImpl object that is a bug.  This object is hidden by
+// adding checks to all methods that could an HTMLDocument.  We believe that
+// list is limited to Event.target, and HTMLHtmlElement.parent.
+// In a wrapper based world there isn't a need for this complexity but we
+// use this design for consistency with the wrapperless implementation so
+// that bugs show up in both cases.
+class _SecretHtmlDocumentImpl extends _NodeImpl implements Node {
+
+  _SecretHtmlDocumentImpl._wrap(ptr) : super._wrap(ptr);
+
+  _DocumentImpl get _documentElement() => _wrap(_ptr.documentElement);
+}
+
+EventTarget _FixHtmlDocumentReference(EventTarget eventTarget) {
+  if (eventTarget is _SecretHtmlDocumentImpl) {
+    _SecretHtmlDocumentImpl secretDocument = eventTarget;
+    return secretDocument._documentElement;
+  } else {
+    return eventTarget;
+  }
+}