Initial skeleton for System Indicator API

chrome/test/data/extensions/api_test/system_indicator/test.js

+// Copyright (c) 2010 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.
+
+// Idle api test for Chrome.
+// browser_tests.exe --gtest_filter=ExtensionApiTest.SystemIndicator
+
+// Due to the fact that browser tests are run in many different environments it
+// is not simple to be able to set the user input value before testing.  For
+// these bvts we have chosen the minimal consistent tests.
+
+chrome.test.runTests([
+  function showAndHideNonexistentIcon() {
+    // Hide before show, just in case
+    chrome.experimental.systemIndicator.hide();
+    chrome.experimental.systemIndicator.show();
+    chrome.experimental.systemIndicator.hide();
+    chrome.test.succeed();
+  },
+  function setUrl() {
+    // Success in showing the icon?
+    chrome.experimental.systemIndicator.setURL('128.png');
+    chrome.test.succeed();
+  },
+  function setImageData() {
+    // create an image, turn it into a canvas, then set the icon.
+    var img = new Image(),
+        path = '128.png';
+    img.onerror = function() {
+      console.error('Could not load icon \'' + path + '\'.');
+      chrome.test.fail();
+    };
+    img.onload = function() {
+      var canvas = document.createElement('canvas');
+      canvas.width = img.width;
+      canvas.height = img.height;
+
+      var canvas_context = canvas.getContext('2d');
+      canvas_context.clearRect(0, 0, canvas.width, canvas.height);
+      canvas_context.drawImage(img, 0, 0, canvas.width, canvas.height);
+      var imageData = canvas_context.getImageData(0, 0, canvas.width,
+                                                  canvas.height);
+      chrome.experimental.systemIndicator.setImageData(imageData);
+      chrome.test.succeed();
+    };
+    img.src = path;
+  }
+]);