Fix for Issue 1075

client/dom/idl/dart/dart.idl

 
 // This file introduces / supplements and forces Dart declarations.
 
 module default {
   NamedNodeMap implements sequence<Node>;
   NodeList implements sequence<Node>;
   HTMLCollection implements sequence<Node>;
   MediaList implements sequence<DOMString>;
   StyleSheetList implements sequence<StyleSheet>;
   TouchList implements sequence<Touch>;
@@ skipping 38 matching lines @@
     [Suppressed] void error();
     void error(DOMObject arg);
     [Suppressed] void info();
     void info(DOMObject arg);
     [Suppressed] void log();
     void log(DOMObject arg);
     [Suppressed] void warn();
     void warn(DOMObject arg);
     [Suppressed] void trace();
     void trace(DOMObject arg);
+
+    [DartName=assert_] void assert(in boolean condition);
   };
 
   [Supplemental]
   interface HTMLOptionsCollection {
     [Suppressed] void add(in optional HTMLOptionElement element, in optional long before);
   };
 
   [Supplemental]
   interface WebGLContextEvent {
     [Suppressed] void initEvent(in optional DOMString eventTypeArg,
@@ skipping 101 matching lines @@
     [DartName=getObject] IDBRequest get(in IDBKey key);
   };
 };
 
 module html {
   [Supplemental, Callback] // Add missing Callback attribute.
   interface VoidCallback {
   };
 };