CanvasRenderingContext2D.fillText now works correctly with null maxWidth.

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index e4979cc7de2d24a863cc1eac1b9c1a81f4e30fea..8d5fbe10d1ab1d52f47a76cdc08833292601f1a3 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -1720,7 +1720,7 @@ class CanvasRenderingContext2D extends CanvasRenderingContext {
   @DocsEditable()
   void fillRect(num x, num y, num width, num height) native "CanvasRenderingContext2D_fillRect_Callback";
 
-  void fillText(String text, num x, num y, [num maxWidth]) {
+  void _fillText(String text, num x, num y, [num maxWidth]) {
     if (maxWidth != null) {
       _fillText_1(text, x, y, maxWidth);
       return;
@@ -2084,8 +2084,26 @@ class CanvasRenderingContext2D extends CanvasRenderingContext {
 
   // TODO(amouravski): Add Dartium native methods for drawImage once we figure
   // out how to not break native bindings.
-}
 
+  /**
+   * Draws text to the canvas.
+   *
+   * The text is drawn starting at coordinates ([x], [y]).
+   * If [maxWidth] is provided and the [text] is computed to be wider than
+   * [maxWidth], then the drawn text is scaled down horizontally to fit.
+   *
+   * The text uses the current [CanvasRenderingContext2D.font] property for font
+   * options, such as typeface and size, and the current
+   * [CanvasRenderingContext2D.fillStyle] for style options such as color.
+   * The current [CanvasRenderingContext2D.textAlign] and
+   * [CanvasRenderingContext2D.textBaseLine] properties are also applied to the
+   * drawn text.
+   */
+  @DomName('CanvasRenderingContext2D.fillText')
+  void fillText(String text, num x, num y, [num maxWidth]) {
+    _fillText(text, x, y, maxWidth);
+  }
+}
 // 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.