Fixes in WebComponent to match the latest dart:html in 0.5.14.3

lib/web_ui.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.
 
 /**
  * This library exports all of the commonly used functions and types for
  * building UI's. It is equivalent to the following imports:
  *
  *     import 'package:web_ui/observe.dart';
  *     import 'package:web_ui/safe_html.dart';
@@ skipping 385 matching lines @@
   Node get parentNode => host.parentNode;
 
   String get nodeValue => host.nodeValue;
 
   @deprecated
   // TODO(sigmund): restore the old return type and call host.on when
   // dartbug.com/8131 is fixed.
   dynamic get on { throw new UnsupportedError('on is deprecated'); }
 
   String get contentEditable => host.contentEditable;
+  set contentEditable(String v) { host.contentEditable = v; }
 
   String get dir => host.dir;
+  set dir(String v) { host.dir = v; }
 
   bool get draggable => host.draggable;
+  set draggable(bool v) { host.draggable = v; }
 
   bool get hidden => host.hidden;
+  set hidden(bool v) { host.hidden = v; }
 
   String get id => host.id;
+  set id(String v) { host.id = v; }
 
   String get innerHTML => host.innerHtml;
 
   void set innerHTML(String v) {
     host.innerHtml = v;
   }
 
   String get innerHtml => host.innerHtml;
   void set innerHtml(String v) {
     host.innerHtml = v;
   }
 
   bool get isContentEditable => host.isContentEditable;
 
   String get lang => host.lang;
+  set lang(String v) { host.lang = v; }
 
   String get outerHtml => host.outerHtml;
 
   bool get spellcheck => host.spellcheck;
+  set spellcheck(bool v) { host.spellcheck = v; }
 
   int get tabIndex => host.tabIndex;
+  set tabIndex(int i) { host.tabIndex = i; }
 
   String get title => host.title;
 
   set title(String value) { host.title = value; }
 
   bool get translate => host.translate;
+  set translate(bool v) { host.translate = v; }
 
   String get dropzone => host.dropzone;
+  set dropzone(String v) { host.dropzone = v; }
 
   void click() { host.click(); }
 
+  InputMethodContext getInputContext() => host.getInputContext();
+
   Element insertAdjacentElement(String where, Element element) =>
     host.insertAdjacentElement(where, element);
 
   void insertAdjacentHtml(String where, String html) {
     host.insertAdjacentHtml(where, html);
   }
 
   void insertAdjacentText(String where, String text) {
     host.insertAdjacentText(where, text);
   }
@@ skipping 147 matching lines @@
 
   get $dom_attributes => host.$dom_attributes;
 
   List<Node> get $dom_childNodes => host.$dom_childNodes;
 
   Node get $dom_firstChild => host.$dom_firstChild;
 
   Node get $dom_lastChild => host.$dom_lastChild;
 
   String get localName => host.localName;
+  String get $dom_localName => host.$dom_localName;
 
+  String get namespaceUri => host.namespaceUri;
   String get $dom_namespaceUri => host.$dom_namespaceUri;
 
   int get nodeType => host.nodeType;
 
   void $dom_addEventListener(String type, EventListener listener,
                              [bool useCapture]) {
     host.$dom_addEventListener(type, listener, useCapture);
   }
 
   bool dispatchEvent(Event event) => host.dispatchEvent(event);
@@ skipping 122 matching lines @@
 }
 
 /**
  * Set this to true to use native Shadow DOM if it is supported.
  * Note that this will change behavior of [WebComponent] APIs for tree
  * traversal.
  */
 bool useShadowDom = false;
 
 bool get _realShadowRoot => useShadowDom && ShadowRoot.supported;