Changed @domName annotation in comment to full fledge @DomName annotation.

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

Index: tools/dom/templates/html/impl/impl_WheelEvent.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_WheelEvent.darttemplate b/tools/dom/templates/html/impl/impl_WheelEvent.darttemplate
index d660a21e2f5ac083a59791313fe4009a0fd021b6..811c849598af86ec89b253bfe57f3377d39fedc4 100644
--- a/tools/dom/templates/html/impl/impl_WheelEvent.darttemplate
+++ b/tools/dom/templates/html/impl/impl_WheelEvent.darttemplate
@@ -4,12 +4,12 @@
 
 part of html;
 
-/// @domName $DOMNAME
+@DomName("$DOMNAME")
 class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
 $!MEMBERS
 
 $if DART2JS
-  /** @domName WheelEvent.deltaY */
+  @DomName("WheelEvent.deltaY")
   num get deltaY {
     if (JS('bool', '#.deltaY !== undefined', this)) {
       // W3C WheelEvent
@@ -37,7 +37,7 @@ $if DART2JS
         'deltaY is not supported');
   }
 
-  /** @domName WheelEvent.deltaX */
+  @DomName("WheelEvent.deltaX")
   num get deltaX {
     if (JS('bool', '#.deltaX !== undefined', this)) {
       // W3C WheelEvent
@@ -82,11 +82,11 @@ $if DART2JS
   int get _deltaMode => JS('int', '#.deltaMode', this);
 
 $else
-  /** @domName WheelEvent.deltaX */
+  @DomName("WheelEvent.deltaX")
   num get deltaX => $dom_wheelDeltaX;
-  /** @domName WheelEvent.deltaY */
+  @DomName("WheelEvent.deltaY")
   num get deltaY => $dom_wheelDeltaY;
-  /** @domName WheelEvent.deltaMode */
+  @DomName("WheelEvent.deltaMode")
   int get deltaMode => 0;
 
 $endif