Communication optionality of priority in CSSStyleDeclaration.setProperty via dart.idl.

lib/dom/idl/dart/dart.idl

 
 // This file introduces / supplements and forces Dart declarations.
 
 module default {
   FileList implements sequence<File>;
   HTMLCollection implements sequence<Node>;
   MediaList implements sequence<DOMString>;
   NamedNodeMap implements sequence<Node>;
   NodeList implements sequence<Node>;
   StyleSheetList implements sequence<StyleSheet>;
@@ skipping 120 matching lines @@
     [Suppressed, StrictTypeChecking, Custom] void getTexParameter();
 
     any getUniform(in WebGLProgram program, in WebGLUniformLocation location) raises(DOMException);
     [Suppressed, StrictTypeChecking, Custom] void getUniform();
 
     any getVertexAttrib(in unsigned long index, in unsigned long pname) raises(DOMException);
     [Suppressed, StrictTypeChecking, Custom] void getVertexAttrib();
   };
 }
 
-
+module css {
+  interface CSSStyleDeclaration {
+    void setProperty(in DOMString propertyName, in DOMString value, [Optional] in DOMString priority);
+  };
+};
 
 module canvas {
   [Supplemental,
    Constructor(in long length)]  // Add constructor signature.
   interface ArrayBuffer {
   };
   [Supplemental]
   interface Float32Array {
     [Suppressed] void set();
     [DartName=setElements, Custom] void set(in any array, [Optional] in unsigned long offset);
@@ skipping 134 matching lines @@
    CustomConstructor,
    // Provide missing constructor signature.
    Constructor(MutationCallback callback)]
   interface MutationObserver {
     // Rename 'observe' so we can define a new 'observe' API that calls the
     // original.
     [DartName=_observe] void observe(in Node target, in Dictionary options)
         raises(DOMException);
   };
 }