Move unittest from lib to pkg.

lib/unittest/test_controller.js

-// 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.
-
-/**
- * Test controller logic - used by unit test harness to embed tests in
- * DumpRenderTree.
- */
-
-if (navigator.webkitStartDart) {
-  navigator.webkitStartDart();
-}
-
-function processMessage(msg) {
-  if (window.layoutTestController) {
-    if (msg == 'unittest-suite-done') {
-      window.layoutTestController.notifyDone();
-    } else if (msg == 'unittest-suite-wait-for-done') {
-      window.layoutTestController.startedDartTest = true;
-    }
-  }
-}
-
-function onReceive(e) {
-  processMessage(e.data);
-}
-
-if (window.layoutTestController) {
-  window.layoutTestController.dumpAsText();
-  window.layoutTestController.waitUntilDone();
-}
-window.addEventListener("message", onReceive, false);
-
-function showErrorAndExit(message) {
-  if (message) {
-    var element = document.createElement('pre');
-    element.innerHTML = message;
-    document.body.appendChild(element);
-  }
-  if (window.layoutTestController) {
-    window.layoutTestController.notifyDone();
-  }
-}
-
-function onLoad(e) {
-  // needed for dartium compilation errors.
-  if (window.compilationError) {
-    showErrorAndExit(window.compilationError);
-  }
-}
-
-window.addEventListener("DOMContentLoaded", onLoad, false);
-
-// If nobody intercepts the error, finish the test.
-window.addEventListener("error", function(e) {
-  // needed for dartium compilation errors.
-  showErrorAndExit(e && e.message);
-}, false);
-
-document.onreadystatechange = function() {
-  if (document.readyState != "loaded") return;
-  // If 'startedDartTest' is not set, that means that the test did not have
-  // a chance to load. This will happen when a load error occurs in the VM.
-  // Give the machine time to start up.
-  setTimeout(function() {
-    // A window.postMessage might have been enqueued after this timeout.
-    // Just sleep another time to give the browser the time to process the
-    // posted message.
-    setTimeout(function() {
-      if (layoutTestController && !layoutTestController.startedDartTest) {
-        layoutTestController.notifyDone();
-      }
-    }, 0);
-  }, 50);
-};