Revert "Dartium JS Interop enabled."

tools/dom/src/native_DOMImplementation.dart

 // 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.
 
 part of html;
 
 class _Property {
   _Property(this.name) :
       _hasValue = false,
       writable = false,
@@ skipping 169 matching lines @@
   }
 
   static Element getAndValidateNativeType(Type type, String tagName) {
     var element = new Element.tag(tagName);
     if (!isTypeSubclassOf(type, element.runtimeType)) {
       return null;
     }
     return element;
   }
 
-  static window() => wrap_jso(js.context['window']);
+  // TODO(terry): Enable below for Dartium w/ interop and remove other static window().
+  // static window() => wrap_jso(_blink.Blink_Utils.window()['window']);
+  static window() => _blink.Blink_Utils.window();
 
   static forwardingPrint(String message) => _blink.Blink_Utils.forwardingPrint(message);
   static void spawnDomHelper(Function f, int replyTo) =>
       _blink.Blink_Utils.spawnDomHelper(f, replyTo);
 
   // TODO(vsm): Make this API compatible with spawnUri.  It should also
   // return a Future<Isolate>.
   static spawnDomUri(String uri) => _blink.Blink_Utils.spawnDomUri(uri);
 
   // The following methods were added for debugger integration to make working
@@ skipping 596 matching lines @@
 
     _register(document, tag, type, extendsTagName);
   }
 
   static void _register(Document document, String tag, Type customType,
     String extendsTagName) => _blink.Blink_Utils.register(unwrap_jso(document), tag, customType, extendsTagName);
 
   static Element createElement(Document document, String tagName) =>
     wrap_jso(_blink.Blink_Utils.createElement(unwrap_jso(document), tagName));
 
+  static void initializeCustomElement(HtmlElement element) =>
+    _blink.Blink_Utils.initializeCustomElement(unwrap_jso(element));
+
   static Element changeElementWrapper(HtmlElement element, Type type) =>
     _blink.Blink_Utils.changeElementWrapper(unwrap_jso(element), type);
 }
 
 class _DOMWindowCrossFrame extends NativeFieldWrapperClass2 implements
     WindowBase {
-  /** Needed because KeyboardEvent is implements.
-   *  TODO(terry): Consider making blink_jsObject private (add underscore) for
-   *               all blink_jsObject.  Then needed private wrap/unwrap_jso
-   *               functions that delegate to a public wrap/unwrap_jso.
-   */
-  js.JsObject blink_jsObject;
-
   _DOMWindowCrossFrame.internal();
 
   // Fields.
   HistoryBase get history => _blink.Blink_DOMWindowCrossFrame.get_history(this);
   LocationBase get location => _blink.Blink_DOMWindowCrossFrame.get_location(this);
   bool get closed => _blink.Blink_DOMWindowCrossFrame.get_closed(this);
   WindowBase get opener => _blink.Blink_DOMWindowCrossFrame.get_opener(this);
   WindowBase get parent => _blink.Blink_DOMWindowCrossFrame.get_parent(this);
   WindowBase get top => _blink.Blink_DOMWindowCrossFrame.get_top(this);
 
@@ skipping 38 matching lines @@
   void go(int distance) => _blink.Blink_HistoryCrossFrame.go(this, distance);
 
   // Implementation support.
   String get typeName => "History";
 }
 
 class _LocationCrossFrame extends NativeFieldWrapperClass2 implements LocationBase {
   _LocationCrossFrame.internal();
 
   // Fields.
-  set href(String h) => _blink.Blink_LocationCrossFrame.set_href(this, h);
+  void set href(String h) => _blink.Blink_LocationCrossFrame.set_href(this, h);
 
   // Implementation support.
   String get typeName => "Location";
 }
 
 class _DOMStringMap extends NativeFieldWrapperClass2 implements Map<String, String> {
   _DOMStringMap.internal();
 
   bool containsValue(String value) => Maps.containsValue(this, value);
   bool containsKey(String key) => _blink.Blink_DOMStringMap.containsKey(this, key);
@@ skipping 215 matching lines @@
     new _ScheduleImmediateHelper();
 
 get _scheduleImmediateClosure => (void callback()) {
   _scheduleImmediateHelper._schedule(callback);
 };
 
 get _pureIsolateScheduleImmediateClosure => ((void callback()) =>
   throw new UnimplementedError("scheduleMicrotask in background isolates "
                                "are not supported in the browser"));
 
+void _initializeCustomElement(Element e) {
+  _Utils.initializeCustomElement(e);
+}
+
 // Class for unsupported native browser 'DOM' objects.
 class _UnsupportedBrowserObject extends NativeFieldWrapperClass2 {
 }