Fix build, spirodraw

client/samples/spirodraw/ColorPicker.dart

 // 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.
 
 typedef void PickerListener(String selectedColor);
 
 class ColorPicker {
 
   static final hexValues = const ['00', '33', '66', '99', 'CC', 'FF'];
   static final COLS = 18;
@@ skipping 24 matching lines @@
     showSelected();
     fireSelected();
   }
   
   void onMouseMove(MouseEvent event) {
     int x = event.offsetX;
     int y = event.offsetY - 40;
     if (( y < 0) || (x >= width)) {
       return;
     }
-    ctx.setFillStyle(getHexString(getColorIndex(x, y)));
+    ctx.fillStyle = getHexString(getColorIndex(x, y));
     ctx.fillRect(0, 0, width/2, 30);
   }
 
   void onMouseDown(MouseEvent event) {
     Element elt = event.target;
     event.cancelBubble = true;
     int x = event.offsetX;
     int y = event.offsetY - 40;
     if ((y < 0) || (x >= width))
       return;
@@ skipping 11 matching lines @@
     canvasElement.onmousemove = (e) { onMouseMove(e); };
     canvasElement.onmousedown = (e) { onMouseDown(e); };
   }
 
    void drawPalette() {
     int i=0;
     for (int r=0; r < 256; r+=51) {
       for (int g=0; g < 256; g+=51) {
         for (int b=0; b < 256; b+=51) {
           String color = getHexString(i);
-          ctx.setFillStyle(color);
+          ctx.fillStyle = color;
           int x = BW * (i % COLS);
           int y = BH * (i ~/ COLS) + 40;
           ctx.fillRect(x + BP, y + BP, BW - 2 * BP, BH - 2 * BP);
           i++;
         }
       }
     }
   }
 
   void fireSelected() {
     for (final listener in _listeners) {
       listener(_selectedColor);
     }
   }
 
   int getColorIndex(int x, int y) {
     // Get color index 0-215 using row, col
     int i = y ~/ BH * COLS + x ~/ BW;
     return i;
   }
 
   void showSelected() {
-    ctx.setFillStyle(_selectedColor);
+    ctx.fillStyle = _selectedColor;
     ctx.fillRect(width / 2, 0, width / 2, 30);
-    ctx.setFillStyle("white");
+    ctx.fillStyle = "white";
     ctx.fillRect(0, 0, width / 2, 30);
   }
   
   String getHexString(int i) {
     int r = i ~/ 36;
     int g = (i % 36) ~/ 6;
     int b = i % 6;
     return '#${hexValues[r]}${hexValues[g]}${hexValues[b]}';
   }
   
 }