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..bc664301de0ad37c17805ed3acde1b682a84654b 100644
--- a/tools/dom/templates/html/impl/impl_WheelEvent.darttemplate
+++ b/tools/dom/templates/html/impl/impl_WheelEvent.darttemplate
@@ -3,13 +3,12 @@
 // BSD-style license that can be found in the LICENSE file.
 
 part of html;
-
-/// @domName $DOMNAME
+$ANNOTATIONS
 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 +36,7 @@ $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 +81,11 @@ $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