Include DDC fixes to dart:html in the main version

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

Index: tools/dom/templates/html/impl/impl_HTMLSelectElement.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_HTMLSelectElement.darttemplate b/tools/dom/templates/html/impl/impl_HTMLSelectElement.darttemplate
index 396ffcda5fbe92e092ab6e8f983e099854d05fd1..2d39452c2a50b18d4e033e8b834a547f5397ffa9 100644
--- a/tools/dom/templates/html/impl/impl_HTMLSelectElement.darttemplate
+++ b/tools/dom/templates/html/impl/impl_HTMLSelectElement.darttemplate
@@ -10,8 +10,8 @@ $!MEMBERS
   // Override default options, since IE returns SelectElement itself and it
   // does not operate as a List.
   List<OptionElement> get options {
-    var options = new List<OptionElement>.from(this.querySelectorAll('option'));
-    return new UnmodifiableListView(options);
+    var options = this.querySelectorAll<OptionElement>('option');

[vsm, 2017/05/24 13:11:49]

whoa -  a generic method in the dom!

+    return new UnmodifiableListView(options.toList());
   }
 
   List<OptionElement> get selectedOptions {