Remove SendPortSync and ReceivePortSync.

tools/dom/templates/html/impl/impl_Window.darttemplate

 // 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 $LIBRARYNAME;
 
 @DocsEditable()
 $if DART2JS
 $(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS native "Window,DOMWindow" {
 $else
 $(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
 $endif
 
   /**
-   * Lookup a port by its [name].  Return null if no port is
-   * registered under [name].
-   */
-  SendPortSync lookupPort(String name) {
-    var portStr = document.documentElement.attributes['dart-port:$name'];
-    if (portStr == null) {
-      return null;
-    }
-    var port = JSON.decode(portStr);
-    return _deserialize(port);
-  }
-
-  /**
-   * Register a [port] on this window under the given [name].  This
-   * port may be retrieved by any isolate (or JavaScript script)
-   * running in this window.
-   */
-  void registerPort(String name, var port) {
-    var serialized = _serialize(port);
-    document.documentElement.attributes['dart-port:$name'] =
-        JSON.encode(serialized);
-  }
-
-  /**
-   * Deregister a [port] on this window under the given [name].  This
-   * port may be retrieved by any isolate (or JavaScript script)
-   * running in this window.
-   */
-  void deregisterPort(String name) {
-    document.documentElement.attributes.remove('dart-port:$name');
-  }
-
-  /**
    * Returns a Future that completes just before the window is about to
    * repaint so the user can draw an animation frame.
    *
    * If you need to later cancel this animation, use [requestAnimationFrame]
    * instead.
    *
    * The [Future] completes to a timestamp that represents a floating
    * point value of the number of milliseconds that have elapsed since the page
    * started to load (which is also the timestamp at this call to
    * animationFrame).
@@ skipping 278 matching lines @@
     return controller.stream;
 $else
     return stream;
 $endif
   }
 
   String getEventType(EventTarget target) {
     return _eventType;
   }
 }