Consolidating platform code into dart:html_common

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

 // Copyright (c) 2013, 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.
 
 // WARNING: Do not edit - generated code.
 
 part of $LIBRARYNAME;
 
 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
   factory $CLASSNAME(TouchList touches, TouchList targetTouches,
@@ skipping 13 matching lines @@
 
   /**
    * Checks if touch events supported on the current platform.
    *
    * Note that touch events are only supported if the user is using a touch
    * device.
    */
   static bool get supported {
 $if DART2JS
     if (JS('bool', '"ontouchstart" in window')) {
-      return Event._isTypeSupported('TouchEvent');
+      return Device.isEventTypeSupported('TouchEvent');
     }
     return false;
 $else
     // Bug #8186 add equivalent 'ontouchstart' check for Dartium.
     // Basically, this is a fairly common check and it'd be great if it did not
     // throw exceptions.
-    return Event._isTypeSupported('TouchEvent');
+    return Device.isEventTypeSupported('TouchEvent');
 $endif
   }
 }