Fix for strokeStyle and fillStyle.

lib/dom/dom.dart

Index: lib/dom/dom.dart
diff --git a/lib/dom/dom.dart b/lib/dom/dom.dart
index 4fd227f49d2c1c35bcade8252c80247ed91f4adb..5e0825894fdd4fe67eb3ba299b1681e0a54869ef 100644
--- a/lib/dom/dom.dart
+++ b/lib/dom/dom.dart
@@ -292,6 +292,10 @@ class CanvasRenderingContext native "CanvasRenderingContext" {
 
 class CanvasRenderingContext2D extends CanvasRenderingContext native "CanvasRenderingContext2D" {
 
+  // TODO(vsm): Auto-generate these two fields.
+  var fillStyle;
+  var strokeStyle;
+
   String font;
 
   num globalAlpha;
@@ -382,7 +386,10 @@ class CanvasRenderingContext2D extends CanvasRenderingContext native "CanvasRend
 
   void setFillColor(var c_OR_color_OR_grayLevel_OR_r, [num alpha_OR_g_OR_m = null, num b_OR_y = null, num a_OR_k = null, num a = null]) native;
 
-  void setFillStyle(var color_OR_gradient_OR_pattern) native;
+  // TODO(vsm): Auto-generate this method.
+  void setFillStyle(var color_OR_gradient_OR_pattern) {
+    this.fillStyle = color_OR_gradient_OR_pattern;
+  }
 
   void setLineCap(String cap) native;
 
@@ -396,7 +403,10 @@ class CanvasRenderingContext2D extends CanvasRenderingContext native "CanvasRend
 
   void setStrokeColor(var c_OR_color_OR_grayLevel_OR_r, [num alpha_OR_g_OR_m = null, num b_OR_y = null, num a_OR_k = null, num a = null]) native;
 
-  void setStrokeStyle(var color_OR_gradient_OR_pattern) native;
+  // TODO(vsm): Auto-generate this method.
+  void setStrokeStyle(var color_OR_gradient_OR_pattern) {
+    this.strokeStyle = color_OR_gradient_OR_pattern;
+  }
 
   void setTransform(num m11, num m12, num m21, num m22, num dx, num dy) native;