Revert "Replacing non-portable CanvasRenderingContext.setFillColor with more portable variants."

tests/html/canvasrenderingcontext2d_test.dart

-// 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.
-
-#library('url_test');
-#import('../../pkg/unittest/unittest.dart');
-#import('../../pkg/unittest/html_config.dart');
-#import('dart:html');
-
-main() {
-  useHtmlConfiguration();
-  var canvas = new CanvasElement();
-  canvas.width = 100;
-  canvas.height = 100;
-
-  var context = canvas.context2d;
-
-  Uint8ClampedArray readPixel() {
-    var imageData = context.getImageData(2, 2, 1, 1);
-    return imageData.data;
-  }
-
-  test('setFillColorRgb', () {
-    context.setFillColorRgb(255, 0, 255, 1);
-    context.fillRect(0, 0, canvas.width, canvas.height);
-    expect(readPixel(), [255, 0, 255, 255]);
-  });
-
-  test('setFillColorHsl hue', () {
-    context.setFillColorHsl(0, 100, 50);
-    context.fillRect(0, 0, canvas.width, canvas.height);
-    expect(readPixel(), [255, 0, 0, 255]);
-  });
-
-  test('setFillColorHsl hue 2', () {
-    context.setFillColorHsl(240, 100, 50);
-    context.fillRect(0, 0, canvas.width, canvas.height);
-    expect(readPixel(), [0, 0, 255, 255]);
-  });
-
-  test('setFillColorHsl sat', () {
-    context.setFillColorHsl(0, 0, 50);
-    context.fillRect(0, 0, canvas.width, canvas.height);
-    var pixel = readPixel();
-    // Some rounding errors in the browsers.
-    expect(pixel[0], closeTo(127, 1));
-    expect(pixel[1], closeTo(127, 1));
-    expect(pixel[2], closeTo(127, 1));
-    expect(pixel[3], 255);
-  });
-
-  test('setStrokeColorRgb', () {
-    context.setStrokeColorRgb(255, 0, 255, 1);
-    context.lineWidth = 10;
-    context.strokeRect(0, 0, canvas.width, canvas.height);
-    expect(readPixel(), [255, 0, 255, 255]);
-  });
-
-  test('setStrokeColorHsl hue', () {
-    context.setStrokeColorHsl(0, 100, 50);
-    context.lineWidth = 10;
-    context.strokeRect(0, 0, canvas.width, canvas.height);
-    expect(readPixel(), [255, 0, 0, 255]);
-  });
-
-  test('setStrokeColorHsl hue 2', () {
-    context.setStrokeColorHsl(240, 100, 50);
-    context.lineWidth = 10;
-    context.strokeRect(0, 0, canvas.width, canvas.height);
-    expect(readPixel(), [0, 0, 255, 255]);
-  });
-
-  test('setStrokeColorHsl sat', () {
-    context.setStrokeColorHsl(0, 0, 50);
-    context.lineWidth = 10;
-    context.strokeRect(0, 0, canvas.width, canvas.height);
-    var pixel = readPixel();
-    // Some rounding errors in the browsers.
-    expect(pixel[0], closeTo(127, 1));
-    expect(pixel[1], closeTo(127, 1));
-    expect(pixel[2], closeTo(127, 1));
-    expect(pixel[3], 255);
-  });
-}