Refresh dom_frog.

client/dom/frog/dom_frog.dart

 #library('dom');
 
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // DO NOT EDIT
 // Auto-generated Dart DOM library.
 
 
@@ skipping 1369 matching lines @@
 }
 
 class _DataTransferItemJs extends _DOMTypeJs implements DataTransferItem native "*DataTransferItem" {
 
   final String kind;
 
   final String type;
 
   _BlobJs getAsFile() native;
 
-  void getAsString(StringCallback callback) native;
+  void getAsString([StringCallback callback = null]) native;
 }
 
 class _DataTransferItemListJs extends _DOMTypeJs implements DataTransferItemList native "*DataTransferItemList" {
 
   final int length;
 
   void add(var data_OR_file, [String type = null]) native;
 
   void clear() native;
 
@@ skipping 236 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 2396 matching lines @@
   _IDBObjectStoreJs createObjectStore(String name) native;
 
   void deleteObjectStore(String name) native;
 
   bool dispatchEvent(_EventJs evt) native;
 
   void removeEventListener(String type, EventListener listener, [bool useCapture = null]) native;
 
   _IDBVersionChangeRequestJs setVersion(String version) native;
 
-  _IDBTransactionJs transaction(var storeName_OR_storeNames, int mode) native;
+  _IDBTransactionJs transaction(var storeName_OR_storeNames, [int mode = null]) native;
 }
 
 class _IDBDatabaseErrorJs extends _DOMTypeJs implements IDBDatabaseError native "*IDBDatabaseError" {
 
   int code;
 
   String message;
 }
 
 class _IDBDatabaseExceptionJs extends _DOMTypeJs implements IDBDatabaseException native "*IDBDatabaseException" {
@@ skipping 9289 matching lines @@
 // WARNING: Do not edit - generated code.
 
 interface DataTransferItem {
 
   final String kind;
 
   final String type;
 
   Blob getAsFile();
 
-  void getAsString(StringCallback callback);
+  void getAsString([StringCallback callback]);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface DataTransferItemList {
 
   final int length;
@@ skipping 311 matching lines @@
   TouchList createTouchList();
 
   TreeWalker createTreeWalker(Node root, int whatToShow, NodeFilter filter, bool expandEntityReferences);
 
   Element elementFromPoint(int x, int y);
 
   XPathResult evaluate(String expression, Node contextNode, XPathNSResolver resolver, int type, XPathResult inResult);
 
   bool execCommand(String command, bool userInterface, String value);
 
-  Object getCSSCanvasContext(String contextId, String name, int width, int height);
+  CanvasRenderingContext getCSSCanvasContext(String contextId, String name, int width, int height);
 
   Element getElementById(String elementId);
 
   NodeList getElementsByClassName(String tagname);
 
   NodeList getElementsByName(String elementName);
 
   NodeList getElementsByTagName(String tagname);
 
   NodeList getElementsByTagNameNS(String namespaceURI, String localName);
@@ skipping 2767 matching lines @@
   IDBObjectStore createObjectStore(String name);
 
   void deleteObjectStore(String name);
 
   bool dispatchEvent(Event evt);
 
   void removeEventListener(String type, EventListener listener, [bool useCapture]);
 
   IDBVersionChangeRequest setVersion(String version);
 
-  IDBTransaction transaction(var storeName_OR_storeNames, int mode);
+  IDBTransaction transaction(var storeName_OR_storeNames, [int mode]);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 interface IDBDatabaseError {
 
   int code;
@@ skipping 7652 matching lines @@
     if (length < 0) throw new IllegalArgumentException('length');
     if (start < 0) throw new IndexOutOfRangeException(start);
     int end = start + length;
     if (end > a.length) throw new IndexOutOfRangeException(end);
     for (int i = start; i < end; i++) {
       accumulator.add(a[i]);
     }
     return accumulator;
   }
 }