Fix some type warnings in html library

client/html/release/html.dart

Index: client/html/release/html.dart
diff --git a/client/html/release/html.dart b/client/html/release/html.dart
index ebb9e28f0230a942da6348c9ba06ddaa67eda817..34d065439d1d866ce95f0d752b683ed8adc04f7e 100644
--- a/client/html/release/html.dart
+++ b/client/html/release/html.dart
@@ -16932,7 +16932,7 @@ interface AbstractWorker extends EventTarget {
 
 class AbstractWorkerEventsImplementation extends EventsImplementation implements AbstractWorkerEvents {
   AbstractWorkerEventsImplementation._wrap(_ptr) : super._wrap(_ptr);
-  
+
   EventListenerList get error() => _get('error');
 }
 
@@ -16940,7 +16940,7 @@ class AbstractWorkerWrappingImplementation extends EventTargetWrappingImplementa
   AbstractWorkerWrappingImplementation._wrap(ptr) : super._wrap(ptr);
 
   AbstractWorkerEvents get on() {
-    if (_on === null) {	
+    if (_on === null) {
       _on = new AbstractWorkerEventsImplementation._wrap(_ptr);
     }
     return _on;
@@ -17035,7 +17035,7 @@ interface BodyElementEvents extends ElementEvents {
   EventListenerList get unLoad();
 }
 
-interface BodyElement extends Element { 
+interface BodyElement extends Element {
   BodyElementEvents get on();
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
@@ -22294,7 +22294,7 @@ interface Document extends Element /*, common.NodeSelector */ {
 // BSD-style license that can be found in the LICENSE file.
 
 interface DocumentFragment extends Element factory DocumentFragmentWrappingImplementation {
- 
+
   DocumentFragment();
 
   DocumentFragment.html(String html);
@@ -22807,7 +22807,7 @@ interface DOMApplicationCacheEvents extends Events {
   EventListenerList get noUpdate();
   EventListenerList get obsolete();
   EventListenerList get progress();
-  EventListenerList get updateReady();  
+  EventListenerList get updateReady();
 }
 
 interface DOMApplicationCache extends EventTarget {
@@ -22867,7 +22867,7 @@ class DOMApplicationCacheWrappingImplementation extends EventTargetWrappingImple
     if (_on === null) {
       _on = new DOMApplicationCacheEventsImplementation._wrap(_ptr);
     }
-    return _on;  
+    return _on;
   }
 }
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
@@ -23539,15 +23539,15 @@ class ElementRectWrappingImplementation implements ElementRect {
   // TODO(jacobr): should we move these outside of ElementRect to avoid the
   // overhead of computing them every time even though they are rarely used.
   // This should be type dom.ClientRect but that fails on dartium. b/5522629
-  final _boundingClientRect; 
+  final _boundingClientRect;
   // an exception due to a dartium bug.
   final dom.ClientRectList _clientRects;
 
   ElementRectWrappingImplementation(dom.HTMLElement element) :
     client = new SimpleClientRect(element.clientLeft,
                                   element.clientTop,
-                                  element.clientWidth, 
-                                  element.clientHeight), 
+                                  element.clientWidth,
+                                  element.clientHeight),
     offset = new SimpleClientRect(element.offsetLeft,
                                   element.offsetTop,
                                   element.offsetWidth,
@@ -23572,7 +23572,7 @@ class ElementRectWrappingImplementation implements ElementRect {
 }
 
 class ElementWrappingImplementation extends NodeWrappingImplementation implements Element {
-  
+
     static final _START_TAG_REGEXP = const RegExp('<(\\w+)');
     static final _CUSTOM_PARENT_TAG_MAP = const {
       'body' : 'html',
@@ -23589,7 +23589,7 @@ class ElementWrappingImplementation extends NodeWrappingImplementation implement
       'track' : 'audio',
     };
 
-   factory ElementWrappingImplementation.html(String html) {
+   factory Element.html(String html) {
     // TODO(jacobr): this method can be made more robust and performant.
     // 1) Cache the dummy parent elements required to use innerHTML rather than
     //    creating them every call.
@@ -23605,11 +23605,11 @@ class ElementWrappingImplementation extends NodeWrappingImplementation implement
         parentTag = _CUSTOM_PARENT_TAG_MAP[tag];
       }
     }
-    final temp = dom.document.createElement(parentTag);
+    dom.HTMLElement temp = dom.document.createElement(parentTag);
     temp.innerHTML = html;
 
     if (temp.childElementCount == 1) {
-      return LevelDom.wrapElement(temp.firstElementChild);     
+      return LevelDom.wrapElement(temp.firstElementChild);
     } else if (parentTag == 'html' && temp.childElementCount == 2) {
       // Work around for edge case in WebKit and possibly other browsers where
       // both body and head elements are created even though the inner html
@@ -23620,7 +23620,7 @@ class ElementWrappingImplementation extends NodeWrappingImplementation implement
     }
   }
 
-  factory ElementWrappingImplementation.tag(String tag) {
+  factory Element.tag(String tag) {
     return LevelDom.wrapElement(dom.document.createElement(tag));
   }
 
@@ -23802,7 +23802,7 @@ class ElementWrappingImplementation extends NodeWrappingImplementation implement
   }
 
   void set scrollLeft(int value) { _ptr.scrollLeft = value; }
- 
+
   void set scrollTop(int value) { _ptr.scrollTop = value; }
 
   Future<ElementRect> get rect() {
@@ -24048,7 +24048,7 @@ class EventsImplementation implements Events {
   EventListenerList operator [](String type) {
     return _get(type.toLowerCase());
   }
-  
+
   EventListenerList _get(String type) {
     return _listenerMap.putIfAbsent(type,
       () => new EventListenerListImplementation(_ptr, type));
@@ -25731,7 +25731,7 @@ class StorageEventWrappingImplementation extends EventWrappingImplementation imp
 // BSD-style license that can be found in the LICENSE file.
 
 interface Text extends CharacterData factory TextWrappingImplementation {
-  
+
   Text(String content);
 
   String get wholeText();
@@ -27322,7 +27322,7 @@ class WindowWrappingImplementation extends EventTargetWrappingImplementation imp
 // 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.
 
-interface WorkerEvents extends AbstractWorkerEvents {  
+interface WorkerEvents extends AbstractWorkerEvents {
   EventListenerList get message();
 }