Allow all events to be accessed via on[foo] instead of just onFoo

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index adc5b0e63c457ac6934ca8fb365dfcb3e65b0823..4ae6afa888827e87a383c592102469eb99b09ac6 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -11984,10 +11984,33 @@ class Events {
 class ElementEvents extends Events {
   /* Raw event target. */
   final Element _ptr;
+  static final webkitEvents = {
+    'animationend' : 'webkitAnimationEnd', 
+    'animationiteration' : 'webkitAnimationIteration', 
+    'animationstart' : 'webkitAnimationStart', 
+    'fullscreenchange' : 'webkitfullscreenchange', 
+    'fullscreenerror' : 'webkitfullscreenerror',
+    'keyadded' : 'webkitkeyadded', 
+    'keyerror' : 'webkitkeyerror', 
+    'keymessage' : 'webkitkeymessage', 
+    'needkey' : 'webkitneedkey', 
+    'pointerlockchange' : 'webkitpointerlockchange', 
+    'pointerlockerror' : 'webkitpointerlockerror', 
+    'resourcetimingbufferfull' : 'webkitresourcetimingbufferfull', 
+    'transitionend': 'webkitTransitionEnd',
+    'speechchange' : 'webkitSpeechChange'
+  };
 
   ElementEvents(Element ptr) : this._ptr = ptr, super(ptr);
 
   Stream operator [](String type) {
+    if (type.toLowerCase() in webkitEvents.keys) {
+      var hasWebkit = webkitEvents[type.toLowerCase()].startsWith('webkit');
+      if (hasWebkit && Device.isWebKit) {
+        return new _ElementEventStreamImpl(
+            _ptr, webkitEvents[type.toLowerCase()], false);
+      }
+    }
     return new _ElementEventStreamImpl(_ptr, type, false);
   }
 }
@@ -35336,6 +35359,8 @@ class _Utils {
 
   static bool isMap(obj) => obj is Map;
 
+  static List toListIfIterable(obj) => obj is Iterable ? obj.toList() : null;
+
   static Map createMap() => {};
 
   static makeUnimplementedError(String fileName, int lineNo) {
@@ -35642,10 +35667,6 @@ class _Utils {
 
   static bool isNoSuchMethodError(obj) => obj is NoSuchMethodError;
 
-  // TODO(jacobr): we need a failsafe way to determine that a Node is really a
-  // DOM node rather than just a class that extends Node.
-  static bool isNode(obj) => obj is Node;
-
   static bool _isBuiltinType(ClassMirror cls) {
     // TODO(vsm): Find a less hackish way to do this.
     LibraryMirror lib = cls.owner;