Fixed an incorrect doc reference.

sdk/lib/html/dart2js/html_dart2js.dart

 /// The Dart HTML library.
 library dart.dom.html;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_collection-dev' hide Symbol;
 import 'dart:html_common';
 import 'dart:indexed_db';
 import 'dart:isolate';
 import 'dart:json' as json;
@@ skipping 25191 matching lines @@
   String _strip(String key) => key.substring(5);
 }
 // 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.
 
 
 /**
  * An object that can be drawn to a [CanvasRenderingContext2D] object with
  * [CanvasRenderingContext2D.drawImage],
- * [CanvasRenderingContext2D.drawImageRect],
+ * [CanvasRenderingContext2D.drawImageToRect],
  * [CanvasRenderingContext2D.drawImageScaled], or
  * [CanvasRenderingContext2D.drawImageScaledFromSource].
  *
  * If the CanvasImageSource is an [ImageElement] then the element's image is
  * used. If the [ImageElement] is an animated image, then the poster frame is
  * used. If there is no poster frame, then the first frame of animation is used.
  *
  * If the CanvasImageSource is a [VideoElement] then the frame at the current
  * playback position is used as the image.
  *
@@ skipping 4134 matching lines @@
       _position = nextPosition;
       return true;
     }
     _current = null;
     _position = _array.length;
     return false;
   }
 
   T get current => _current;
 }