Rename mdv -> template_binding, remove experiemntal apis from dart:html

pkg/mdv/lib/src/template.dart

-// Copyright (c) 2013, 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 mdv;
-
-/** Extensions to [Element]s that behave as templates. */
-class _TemplateExtension extends _ElementExtension {
-  var _model;
-  BindingDelegate _bindingDelegate;
-  _TemplateIterator _templateIterator;
-  bool _scheduled = false;
-
-  _TemplateExtension(Element node) : super(node);
-
-  Element get node => super.node;
-
-  NodeBinding createBinding(String name, model, String path) {
-    switch (name) {
-      case 'bind':
-      case 'repeat':
-      case 'if':
-        if (_templateIterator == null) {
-          _templateIterator = new _TemplateIterator(node);
-        }
-        // TODO(jmesserly): why do we do this here and nowhere else?
-        if (path == null) path = '';
-        return new _TemplateBinding(node, name, model, path);
-      default:
-        return super.createBinding(name, model, path);
-    }
-  }
-
-  /**
-   * Creates an instance of the template.
-   */
-  DocumentFragment createInstance(model, BindingDelegate delegate) {
-    var template = node.ref;
-    if (template == null) template = node;
-
-    var instance = _createDeepCloneAndDecorateTemplates(
-        template.ref.content, delegate);
-
-    if (_instanceCreated != null) {
-      for (var callback in _instanceCreated) callback(instance);
-    }
-
-    _addBindings(instance, model, delegate);
-    _addTemplateInstanceRecord(instance, model);
-    return instance;
-  }
-
-  /**
-   * The data model which is inherited through the tree.
-   */
-  get model => _model;
-
-  void set model(value) {
-    _model = value;
-    _ensureSetModelScheduled();
-  }
-
-  /**
-   * The binding delegate which is inherited through the tree. It can be used
-   * to configure custom syntax for `{{bindings}}` inside this template.
-   */
-  BindingDelegate get bindingDelegate => _bindingDelegate;
-
-  void set bindingDelegate(BindingDelegate value) {
-    _bindingDelegate = value;
-    _ensureSetModelScheduled();
-  }
-
-  _ensureSetModelScheduled() {
-    if (_scheduled) return;
-    _scheduled = true;
-    scheduleMicrotask(_setModel);
-  }
-
-  void _setModel() {
-    _scheduled = false;
-    _addBindings(node, _model, _bindingDelegate);
-  }
-}
-
-class _TemplateBinding extends NodeBinding {
-  // TODO(jmesserly): MDV uses TemplateIterator as the node, see:
-  // https://github.com/Polymer/mdv/issues/127
-  _TemplateBinding(node, name, model, path)
-      : super(node, name, model, path) {
-    _mdv(node)._templateIterator.inputs.bind(property, model, path);
-  }
-
-  // These are no-ops because we don't use the underlying PathObserver.
-  void _observePath() {}
-  void boundValueChanged(newValue) {}
-
-  void close() {
-    if (closed) return;
-    var templateIterator = _mdv(node)._templateIterator;
-    if (templateIterator != null) templateIterator.inputs.unbind(property);
-    super.close();
-  }
-}