Reland: Allow high-res bitmaps to be passed in from notifications API.

chrome/renderer/resources/extensions/notifications_custom_bindings.gtestjs

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * Test fixture for the notifications custom bindings adapter.
+ * @constructor
+ * @extends {testing.Test}
+ */
+function NotificationsCustomBindingsTest() {
+  testing.Test.call(this);
+}
+
+NotificationsCustomBindingsTest.prototype = {
+  __proto__: testing.Test.prototype,
+
+  /** @Override */
+  extraLibraries: [
+    'notifications_test_util.js',
+    'notifications_custom_bindings.js'
+  ],
+};
+
+TEST_F('NotificationsCustomBindingsTest', 'TestImageDataSetter', function () {
+  var c = {};
+  var k = "key";
+  var callback = imageDataSetter(c, k);
+  callback('val');
+  expectTrue(c[k] === 'val');
+});
+
+TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecs', function () {
+  var imageSizes = {
+    scaleFactor: 1.0,
+    icon: { width: 10, height: 10 },
+    image: { width: 24, height: 32 },
+    buttonIcon: { width: 2, height: 2}
+  };
+
+  var notificationDetails = {};
+
+  var emptySpecs = getUrlSpecs(imageSizes, notificationDetails);
+  expectTrue(emptySpecs.length === 0);
+
+  notificationDetails.iconUrl = "iconUrl";
+  notificationDetails.imageUrl = "imageUrl";
+  notificationDetails.buttons = [
+    {iconUrl: "buttonOneIconUrl"},
+    {iconUrl: "buttonTwoIconUrl"}];
+
+  var allSpecs = getUrlSpecs(imageSizes, notificationDetails);
+  expectTrue(allSpecs.length === 4);
+
+  expectFalse(notificationDetails.iconBitmap === "test");
+  expectFalse(notificationDetails.imageBitmap === "test");
+  expectFalse(notificationDetails.buttons[0].iconBitmap === "test");
+  expectFalse(notificationDetails.buttons[1].iconBitmap === "test");
+
+  for (var i = 0; i < allSpecs.length; i++) {
+    var expectedKeys = ['path', 'width', 'height', 'callback'];
+    var spec = allSpecs[i];
+    for (var j in expectedKeys) {
+      expectTrue(spec.hasOwnProperty(expectedKeys[j]));
+    }
+    spec.callback(spec.path + "|" + spec.width + "|" + spec.height);
+  }
+
+  expectTrue(notificationDetails.iconBitmap === "iconUrl|10|10");
+  expectTrue(notificationDetails.imageBitmap === "imageUrl|24|32");
+  expectTrue(
+      notificationDetails.buttons[0].iconBitmap === "buttonOneIconUrl|2|2");
+  expectTrue(
+      notificationDetails.buttons[1].iconBitmap === "buttonTwoIconUrl|2|2");
+});
+
+TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecsScaled', function () {
+  var imageSizes = {
+    scaleFactor: 2.0,
+    icon: { width: 10, height: 10 },
+    image: { width: 24, height: 32 },
+    buttonIcon: { width: 2, height: 2}
+  };
+  var notificationDetails = {
+    iconUrl: "iconUrl",
+    imageUrl: "imageUrl",
+    buttons: [
+      {iconUrl: "buttonOneIconUrl"},
+      {iconUrl: "buttonTwoIconUrl"}
+    ]
+  };
+
+  var allSpecs = getUrlSpecs(imageSizes, notificationDetails);
+  for (var i = 0; i < allSpecs.length; i++) {
+    var spec = allSpecs[i];
+    spec.callback(spec.path + "|" + spec.width + "|" + spec.height);
+  }
+
+  expectEquals(notificationDetails.iconBitmap, "iconUrl|20|20");
+  expectEquals(notificationDetails.imageBitmap, "imageUrl|48|64");
+  expectEquals(notificationDetails.buttons[0].iconBitmap,
+               "buttonOneIconUrl|4|4");
+  expectEquals(notificationDetails.buttons[1].iconBitmap,
+               "buttonTwoIconUrl|4|4");
+});