"Reverting 28321"

tools/dom/templates/html/dart2js/html_dart2js.darttemplate

Index: tools/dom/templates/html/dart2js/html_dart2js.darttemplate
diff --git a/tools/dom/templates/html/dart2js/html_dart2js.darttemplate b/tools/dom/templates/html/dart2js/html_dart2js.darttemplate
index 768850d98ad91f6cc7cfb8f0a5a7e473e8b1251e..0f9abc671ef068f729b25dadc330a74da93d9328 100644
--- a/tools/dom/templates/html/dart2js/html_dart2js.darttemplate
+++ b/tools/dom/templates/html/dart2js/html_dart2js.darttemplate
@@ -49,12 +49,10 @@ import 'dart:web_sql';
 import 'dart:_js_helper' show
     convertDartClosureToJS, Creates, JavaScriptIndexingBehavior,
     JSName, Null, Returns,
-    findDispatchTagForInterceptorClass, setNativeSubclassDispatchRecord,
-    makeLeafDispatchRecord;
+    findDispatchTagForInterceptorClass, setNativeSubclassDispatchRecord;
 import 'dart:_interceptors' show
     Interceptor, JSExtendableArray, findInterceptorConstructorForType,
-    findConstructorForWebComponentType, getNativeInterceptor, 
-    setDispatchProperty;
+    findConstructorForWebComponentType, getNativeInterceptor;
 import 'dart:_isolate_helper' show IsolateNatives;
 import 'dart:_foreign_helper' show JS;