Refresh dom_frog.

client/dom/generated/src/frog/Document.dart

 
 class _DocumentJs extends _NodeJs implements Document native "*Document" {
 
   final String URL;
 
   final _HTMLCollectionJs anchors;
 
   final _HTMLCollectionJs applets;
 
   _HTMLElementJs body;
@@ skipping 101 matching lines @@
   _TouchListJs createTouchList() native;
 
   _TreeWalkerJs createTreeWalker(_NodeJs root, int whatToShow, _NodeFilterJs filter, bool expandEntityReferences) native;
 
   _ElementJs elementFromPoint(int x, int y) native;
 
   _XPathResultJs evaluate(String expression, _NodeJs contextNode, _XPathNSResolverJs resolver, int type, _XPathResultJs inResult) native;
 
   bool execCommand(String command, bool userInterface, String value) native;
 
-  Object getCSSCanvasContext(String contextId, String name, int width, int height) native;
+  _CanvasRenderingContextJs getCSSCanvasContext(String contextId, String name, int width, int height) native;
 
   _ElementJs getElementById(String elementId) native;
 
   _NodeListJs getElementsByClassName(String tagname) native;
 
   _NodeListJs getElementsByName(String elementName) native;
 
   _NodeListJs getElementsByTagName(String tagname) native;
 
   _NodeListJs getElementsByTagNameNS(String namespaceURI, String localName) native;
@@ skipping 15 matching lines @@
   String queryCommandValue(String command) native;
 
   _ElementJs querySelector(String selectors) native;
 
   _NodeListJs querySelectorAll(String selectors) native;
 
   void webkitCancelFullScreen() native;
 
   _WebKitNamedFlowJs webkitGetFlowByName(String name) native;
 }